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Professor

Bellika, Johan Gustav

Department of Clinical Medicine
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  • Budrionis, Andrius; Wynn, Rolf; Ruiz, Luis Marco; Yigzaw, Kassaye Yitbarek; Bergvik, Svein; Oyeyemi, Sunday Oluwafemi; Bellika, Johan Gustav. Impact of the use of electronic health tools on the psychological and emotional well-being of electronic health service users (The Seventh Tromsø Study - Part 3): Population-based questionnaire study. Journal of Medical Internet Research 2020; Volum 22:e13118 (3). ISSN 1438-8871.s 1 - 16.s doi: 10.2196/13118.

  • Smaradottir, Berglind; Bellika, Johan Gustav; Fredeng, Aina; Fagerlund, Asbjørn Johansen. User-Centred Design with a Remote Approach: Experiences from the Chronic Pain Project. (http://ebooks.iospress.nl/volumearticle/56080) Studies in Health Technology and Informatics 2020; Volum 275. ISSN 0926-9630.s 197 - 201.s doi: 10.3233/SHTI200722.

  • Yigzaw, Kassaye Yitbarek; Budrionis, Andrius; Ruiz, Luis Marco; Henriksen, Torje Dahle; Halvorsen, Peder Andreas; Bellika, Johan Gustav. Privacy-preserving architecture for providing feedback to clinicians on their clinical performance. BMC Medical Informatics and Decision Making 2020; Volum 20 (1). ISSN 1472-6947.s doi: 10.1186/s12911-020-01147-5.

  • Smaradottir, Berglind; Fagerlund, Asbjørn Johansen; Bellika, Johan Gustav. User-Centred Design of a Mobile Application for Chronic Pain Management. (http://ebooks.iospress.nl/publication/54647) Studies in Health Technology and Informatics 2020; Volum 272. ISSN 0926-9630.s 272 - 275.s doi: 10.3233/SHTI200547.

  • Yigzaw, Kassaye Yitbarek; Wynn, Rolf; Ruiz, Luis Marco; Budrionis, Andrius; Oyeyemi, Sunday Oluwafemi; Fagerlund, Asbjørn Johansen; Bellika, Johan Gustav. The association between health information seeking on the internet and physician visits (The Seventh Tromsø Study - Part 4): Population-based questionnaire study. Journal of Medical Internet Research 2020; Volum 22:e13120 (3). ISSN 1438-8871.s 1 - 18.s doi: 10.2196/13120.

  • Wynn, Rolf; Oyeyemi, Sunday Oluwafemi; Budrionis, Andrius; Ruiz, Luis Marco; Yigzaw, Kassaye Yitbarek; Bellika, Johan Gustav. Electronic Health Use in a Representative Sample of 18,497 Respondents in Norway (The Seventh Tromsø Study - Part 1): Population-Based Questionnaire Study. JMIR Medical Informatics 2020; Volum 8 (3). ISSN 2291-9694.s doi: 10.2196/13106.

  • Ruiz, Luis Marco; Wynn, Rolf; Oyeyemi, Sunday Oluwafemi; Budrionis, Andrius; Yigzaw, Kassaye Yitbarek; Bellika, Johan Gustav. Impact of Illness on Electronic Health Use (The Seventh Tromsø Study - Part 2): Population-Based Questionnaire Study. Journal of Medical Internet Research 2020; Volum 22:e13116 (3). ISSN 1438-8871.s 1 - 13.s doi: 10.2196/13116.

  • Berntsen, Gro Karine Rosvold; Dalbakk, Monika; Hurley, Joseph; Bergmo, Trine Strand; Solbakken, Beate; Spansvoll, Lisbeth; Bellika, Johan Gustav; Skrøvseth, Stein Olav; Brattland, Trond; Rumpsfeld, Markus. Person-centred, integrated and pro-active care for multi-morbid elderly with advanced care needs: A propensity score-matched controlled trial. BMC Health Services Research 2019; Volum 19:682. ISSN 1472-6963.s 1 - 17.s doi: 10.1186/s12913-019-4397-2.

  • Yigzaw, Kassaye Yitbarek; Michalas, Antonis; Bellika, Johan Gustav. Secure and scalable deduplication of horizontally partitioned health data for privacy-preserving distributed statistical computation. BMC Medical Informatics and Decision Making 2017; Volum 17 (1). ISSN 1472-6947.s 1 - 19.s doi: 10.1186/s12911-016-0389-x.

  • Bellika, Johan Gustav; Makhlysheva, Alexandra; Bakkevoll, Per Atle. A Significant Increase in The Risk for Exposure Of Health Information In The United States. Result from Analysing the US Data Breach Registry. (Fulltekst: http://www.ep.liu.se/ecp/145/009/ecp17145009.pdf Linköping University Electronic Press 2017 (145) ISBN 978-91-7685-364-1. ISSN 1650-3686.

  • Budrionis, Andrius; Bellika, Johan Gustav. Infrastructure for the Learning Healthcare System: Centralized or Distributed?. (Fulltekst: http://www.ep.liu.se/ecp/145/008/ecp17145008.pdf Linköping University Electronic Press 2017 (145) ISBN 978-91-7685-364-1. ISSN 1650-3686.s 50 - 54.

  • Marco-Ruiz, Luis; Bønes, Erlend; de la Asuncion Gonzalez, Estela; Gabarron, Elia; Solis, Juan Carlos Aviles; Lee, Eunji; Traver, Vicente; Sato, Keiichi; Bellika, Johan Gustav. Combining multivariate statistics and the think-aloud protocol to assess Human-Computer Interaction barriers in symptom checkers. Journal of Biomedical Informatics 2017; Volum 74. ISSN 1532-0464.s 104 - 122.s doi: 10.1016/j.jbi.2017.09.002.

  • Marco Ruiz, Luis; Pedrinaci, Carlos; Maldonado, J. Alberto; Panziera, Luca; Chen, Rong; Bellika, Johan Gustav. Publication, discovery and interoperability of clinical decision support systems: a linked data approach. Journal of Biomedical Informatics 2016; Volum 62. ISSN 1532-0464.s 243 - 264.s doi: 10.1016/j.jbi.2016.07.011.

  • Yigzaw, Kassaye Yitbarek; Michalas, Antonis; Bellika, Johan Gustav. Secure and scalable statistical computation of questionnaire data in R. (Fulltekst: http://ieeexplore.ieee.org/document/7542506/ IEEE Access 2016; Volum 4. ISSN 2169-3536.s 4635 - 4645.s doi: 10.1109/ACCESS.2016.2599851.

  • Budrionis, Andrius; Bellika, Johan Gustav. The Learning Healthcare System: Where are we now? A systematic review. Journal of Biomedical Informatics 2016; Volum 64. ISSN 1532-0464.s 87 - 92.s doi: 10.1016/j.jbi.2016.09.018.

  • Marco Ruiz, Luis; Moner, David; Maldonado, José A.; Kolstrup, Nils; Bellika, Johan Gustav. Archetype-based data warehouse environment to enable the reuse of electronic health record data. International Journal of Medical Informatics 2015; Volum 84 (9). ISSN 1386-5056.s 702 - 714.s doi: 10.1016/j.ijmedinf.2015.05.016.

  • Marco Ruiz, Luis; Maldonado, J. Alberto; Karlsen, Randi; Bellika, Johan Gustav. Multidisciplinary Modelling of Symptoms and Signs with Archetypes and SNOMED-CT for Clinical Decision Support. Studies in Health Technology and Informatics 2015; Volum 210. ISSN 0926-9630.s 125 - 129.s doi: 10.3233/978-1-61499-512-8-125.

  • Hailemichael, Meskerem Asfaw; Marco Ruiz, Luis; Bellika, Johan Gustav. Privacy-preserving Statistical Query and Processing on Distributed OpenEHR Data. Studies in Health Technology and Informatics 2015; Volum 210. ISSN 0926-9630.s 766 - 770.s doi: 10.3233/978-1-61499-512-8-766.

  • Kampik, Timotheus; Larsen, Frank Atle; Bellika, Johan Gustav. Internet-based remote consultations-general practitioner experience and attitudes in Norway and Germany. Studies in Health Technology and Informatics 2015; Volum 210. ISSN 0926-9630.s 452 - 454.s doi: 10.3233/978-1-61499-512-8-452.

  • Budrionis, Andrius; Hasvold, Per Erlend; Hartvigsen, Gunnar; Bellika, Johan Gustav. Video Conferencing Services in Healthcare: One Communication Platform to Support All. Studies in Health Technology and Informatics 2015; Volum 216. ISSN 0926-9630.s 887 - 887.s doi: 10.3233/978-1-61499-564-7-887.

  • Budrionis, Andrius; Hartvigsen, Gunnar; Bellika, Johan Gustav. Camera Movement during Telementoring and Laparoscopic Surgery: Challenges and Innovative Solutions. Linköping University Electronic Press 2015; Volum 115 (.) ISBN 978-91-7685-985-8. ISSN 1650-3686.s 1 - 5.

  • Budrionis, Andrius; Hartvigsen, Gunnar; Lindsetmo, Rolv-Ole; Bellika, Johan Gustav. What device should be used for telementoring? Randomized controlled trial. International Journal of Medical Informatics 2015; Volum 84 (9). ISSN 1386-5056.s 715 - 723.s doi: 10.1016/j.ijmedinf.2015.05.004.

  • Budrionis, Andrius; Hasvold, Per Erlend; Hartvigsen, Gunnar; Bellika, Johan Gustav. Assessing the impact of telestration on surgical telementoring: A Randomized Controlled Trial. Journal of Telemedicine and Telecare 2015. ISSN 1357-633X.s doi: 10.1177/1357633X15585071.

  • Budrionis, Andrius; Hartvigsen, Gunnar; Bellika, Johan Gustav. Are Mobile Devices Ready for Telementoring? A Protocol Design for Randomized Controlled Trials. (Sammendrag: http://www.thinkmind.org/index.php?view=article&articleid=etelemed_2014_9_40_40114) International Academy, Research and Industry Association (IARIA) 2014; Volum 4 (4) ISBN 978-1-61208-327-8. ISSN 2308-4359.s 197 - 200.

  • Karlsen, Randi; Morell, Jose Enrique Borrás; Bellika, Johan Gustav; Traver Salcedo, Vicente. Helping patients in performing online video search: evaluating the importance of medical terminology extracted from MeSH and ICD-10 in health video title and description. Walter de Gruyter 2014 ISBN 978-1-61451-541-8.s 241 - 262.

  • Marco Ruiz, Luis; Maldonado, J.A.; Traver, Vicente; Karlsen, Randi; Bellika, Johan Gustav. Meta-architecture for the interoperability and knowledge management of archetype-based clinical decision support systems. IEEE conference proceedings 2014 ISBN 978-1-4799-2131-7.s 517 - 521.

  • Yigzaw, Kassaye Yitbarek; Bellika, Johan Gustav. A communicable disease prediction benchmarking platform. IEEE conference proceedings 2014 ISBN 978-1-4799-2131-7.s 564 - 568.s doi: 10.1109/bhi.2014.6864427.

  • Yigzaw, Kassaye Yitbarek; Bellika, Johan Gustav. Evaluation of Secure Multi-Party Computation for Reuse of Distributed Electronic Health Data. IEEE conference proceedings 2014 ISBN 978-1-4799-2131-7.s 219 - 222.s doi: 10.1109/bhi.2014.6864343.

  • Bellika, Johan Gustav; Henriksen, Torje Dahle; Yigzaw, Kassaye Yitbarek. The Snow System - a Decentralized Medical Data Processing System. Springer 2014; Volum 1246 (15) ISBN 978-1-4939-1984-0. ISSN 1064-3745.s 109 - .s doi: 10.1007/978-1-4939-1985-7_7.

  • Budrionis, Andrius; Hasvold, Per Erlend; Hartvigsen, Gunnar; Bellika, Johan Gustav. Moving telementoring to the web. International Journal of Computer Assisted Radiology and Surgery 2014; Volum 9. ISSN 1861-6410.s 279 - 280.s doi: 10.1007/s11548-014-1047-3.

  • Augestad, Knut Magne; Bellika, Johan Gustav; Budrionis, Andrius; Chomutare, Taridzo; Lindsetmo, Rolv-Ole; Patel, Hitendra R.H.; Delaney, C. Surgical Telementoring in Knowledge Translation--Clinical Outcomes and Educational Benefits: A Comprehensive Review. Surgical Innovation 2013; Volum 20 (3). ISSN 1553-3506.s 273 - 281.s doi: 10.1177/1553350612465793.

  • Yigzaw, Kassaye Yitbarek; Bellika, Johan Gustav; Andersen, Anders; Hartvigsen, Gunnar; Fernandez-Llatas, Carlos. Towards Privacy-Preserving Computing on Distributed Electronic Health Record Data. (10.1145/2541534.2541593) (Sammendrag: http://www.cs.uit.no/~aa/pub/yigzaw2013a) (Prosjekt: http://www.cs.uit.no/~aa/research.html#ttl) Association for Computing Machinery (ACM) 2013 ISBN 978-1-4503-2548-6.s doi: 10.1145/2541534.2541593.

  • Hartvigsen, Gunnar; Bellika, Johan Gustav. International Master’s Program in Telemedicine and E‐health at University of Tromsø. (Fulltekst: http://www.ep.liu.se/ecp/091/ecp13091.pdf Linköping Electronic Conference Proceedings 2013; Volum 91. ISSN 1650-3686.s 29 - 32.

  • Budrionis, Andrius; Augestad, Knut Magne; Bellika, Johan Gustav. Telementoring as a Service. (Fulltekst: http://www.ep.liu.se/ecp/091/003/ecp13091003.pdf Linköping Electronic Conference Proceedings 2013; Volum 91. ISSN 1650-3686.s 11 - 14.

  • Budrionis, Andrius; Augestad, Knut Magne; Patel, Hitendra R.H.; Bellika, Johan Gustav. An Evaluation Framework for Defining the Contributions of Telestration in Surgical Telementoring. Interactive Journal of Medical Research 2013; Volum 2 (2). ISSN 1929-073X.s e14 - .s doi: 10.2196/ijmr.2611.

  • Budrionis, Andrius; Augestad, Knut Magne; Bellika, Johan Gustav. Telestration in Mobile Telementoring. (Sammendrag: http://www.thinkmind.org/index.php?view=article&articleid=etelemed_2013_16_40_40278) International Academy, Research and Industry Association (IARIA) 2013 ISBN 978-1-61208-252-3.s 307 - 309.

  • Augestad, Knut Magne; Berntsen, Gro; Lassen, Kristoffer; Bellika, Johan Gustav; Wootton, Richard; Lindsetmo, Rolv-Ole. Standards for reporting randomized controlled trials in medical informatics: a systematic review of CONSORT adherence in RCTs on clinical decision support. (Sammendrag: http://jamia.bmj.com/content/19/1/13) JAMIA Journal of the American Medical Informatics Association 2012; Volum 19 (1). ISSN 1067-5027.s 13 - 21.s doi: 10.1136/amiajnl-2011-000411.

  • Bellika, Johan Gustav; Traver, Vicente; Berntsen, Gro. Ehealth systems and information needs of physicians. ITACA - Universitat Politècnica de València, Spain 2012 ISBN 978-84-695-5184-4.s 13 - 17.

  • Skrøvseth, Stein Olav; Godtliebsen, Fred; Bellika, Johan Gustav. Causality in Scale Space as an Approach to Change Detection. PLOS ONE 2012; Volum 7 (12). ISSN 1932-6203.s e52253 - .s doi: 10.1371/journal.pone.0052253.

  • Budrionis, Andrius; Augestad, Knut Magne; Patel, Hitendra R.H.; Bellika, Johan Gustav. Towards Requirements for Telementoring Software. (Fulltekst: http://www.ep.liu.se/ecp/070/005/ecp1270005.pdf Linköping Electronic Conference Proceedings 2012; Volum 70. ISSN 1650-3686.s 27 - 34.

  • Augestad, Knut Magne; Chomutare, Taridzo; Bellika, Johan Gustav; Budrionis, Andrius; Lindsetmo, Rolv-Ole; Delaney, Conor P.. Clinical and Educational Benefits of Surgical Telementoring. Springer 2012 ISBN 978-1-4471-2929-5.s 75 - 89.s doi: 10.1007/978-1-4471-2930-1_9.

  • Lauritzen, Jonas Nørgaard; Årsand, Eirik; Horsch, Alexander; Fernandez-Luque, Luis; Chomutare, Taridzo Fred; Bellika, Johan Gustav; Hejlesen, Ole Kristian; Hartvigsen, Gunnar. Social Media and Games as Self-Management Tools for Children and Adolescents with Type 1 Diabetes Mellitus. SciTePress 2012 ISBN 978-989-8425-88-1.s 459 - 466.

  • Lauritzen, Jonas Nørgaard; Årsand, Eirik; Bellika, Johan Gustav; Van Vuurden, Klaske; Hejlesen, Ole Kristian; Hartvigsen, Gunnar. Exploring illness prediction in Type 1 Diabetes Mellitus pre-symptom onset. Emerging Health Threats Jour 2011; Volum 4. ISSN 1752-8550.s 36 - .s doi: 10.3134/ehtj.10.036.

  • Bellika, Johan Gustav; Hasvold, Per Erlend; Ekeland, Anne G.; Hartvigsen, Gunnar. The telemedicine and eHealth equation - proposal for an updated view on the Teorem of Medical Informatics. 2011.

  • Hartvigsen, Gunnar; Bellika, Johan Gustav; Hasvold, Per Erlend; Ekeland, Anne G.; Årsand, Eirik; Horsch, Alexander; Pedersen, Steinar. Global telemedicine services – what can be learned from telemedicine in Norway?. 2011.

  • Lauritzen, Jonas Nørgaard; Årsand, Eirik; Van Vuurden, Klaske; Bellika, Johan Gustav; Hejlesen, Ole Kristian; Hartvigsen, Gunnar. Towards a mobile solution for predicting illness in Type 1 Diabetes Mellitus: Development of a prediction model for detecting risk of illness in Type 1 Diabetes prior to symptom onset. (Sammendrag: http://ieeexplore.ieee.org/Xplore/login.jsp?url=http%3A%2F%2Fieeexplore.ieee.org%2Fiel5%2F5914472%2F5940805%2F05940877.pdf%3Farnumber%3D5940877&authDecision=-203) IEEE conference proceedings 2011 ISBN 978-1-4577-0787-2.s 1 - 5.s doi: 10.1109/wirelessvitae.2011.5940877.

  • Lauritzen, Jonas Nørgaard; Årsand, Eirik; Horsch, Alexander; Fernandez-Luque, Luis; Chomutare, Taridzo; Bellika, Johan Gustav; Hejlesen, Ole Kristian; Hartvigsen, Gunnar. Exploring the use of Educational Video Games as Self-Management Tools for Children and Adolescents with Type 1 Diabetes Mellitus. (Fulltekst: http://person.hst.aau.dk/ska/mie2011/CD/MIE_2011_Content/Proceedings_SHI_2011/010_SHI_529_Lauritzen.pdf Tapir Akademisk Forlag 2011 ISBN 978-82-519-2820-5.s 58 - 58.

  • Johansen, Monika Alise; Berntsen, Gro; Shrestha, Neema; Bellika, Johan Gustav; Johnsen, Jan-Are Kolset. An Exploratory Study of Patient Attitudes towards Symptom Reporting in a Primary Care Setting Benefits for Medical Consultation and Syndromic Surveillance?. Methods of Information in Medicine 2011; Volum 50 (5). ISSN 0026-1270.s 479 - 486.s doi: 10.3414/ME11-02-0005.

  • Aguilar, Julian Guirao; Bellika, Johan Gustav; Fernandez-Luque, Luis; Salcedo, Traver. Respiration Tracking Using the Wii Remote Game Controller. Studies in Health Technology and Informatics 2011; Volum 169. ISSN 0926-9630.s 455 - 459.s doi: 10.3233/978-1-60750-806-9-455.

  • Johansen, Monika Alise; Johnsen, Jan Are Kolset; Shrestha, Neema; Bellika, Johan Gustav. Symptoms from patients as the primary information source for real-time surveillance. Studies in Health Technology and Informatics 2010; Volum 160. ISSN 0926-9630.s 427 - 431.s doi: 10.3233/978-1-60750-588-4-427.

  • Botsis, Taxiarchis; Bellika, Johan Gustav; Hartvigsen, Gunnar. New Directions in Electronic Disease Surveillance: Detection of Infectious Diseases during the Incubation Period. IEEE 2009 ISBN 978-0-7695-3532-6.s 176 - 183.

  • Johansen, Monika Alise; Johnsen, Jan Are Kolset; Hartvigsen, Gunnar; Ellingsen, Gunnar; Bellika, Johan Gustav. Bridging the Gap between Patients’ Expectations and General Practitioners’ Knowledge through Disease Surveillance. Studies in Health Technology and Informatics 2009; Volum 150. ISSN 0926-9630.s 423 - 427.

  • Henriksen, Eva; Johansen, Monika Alise; Baardsgaard, Anders; Bellika, Johan Gustav. Threats to Information Security of Real-Time Disease Surveillance Systems. Studies in Health Technology and Informatics 2009; Volum 150. ISSN 0926-9630.s 710 - 715.

  • Bellika, Johan Gustav; Ilebrekke, Lars; Bakkevoll, Per Atle; Johansen, Håvard; Scholl, Jeremiah; Johansen, Monika Alise. Authentication and Encryption in the Snow Disease Surveillance Network. Studies in Health Technology and Informatics 2009; Volum 150. ISSN 0926-9630.s 725 - 729.

  • Andreassen, Kristian Martin; Bellika, Johan Gustav. The Reliability of the XMPP Protocol Extensions as a File Transfer Mechanism in Dedicated Healthcare Networks. Journal on Information Technology in Healthcare 2009; Volum 7 (1). ISSN 1479-649X.s 68 - 76.

  • Hartvigsen, Gunnar; Årsand, Eirik; Botsis, Taxiarchis; Van Vuurden, Klaske; Johansen, Monika Alise; Bellika, Johan Gustav. Reusing Patient Data to Enhance Patient Empowerment and Electronic Disease Surveillance. Journal on Information Technology in Healthcare 2009; Volum 7 (1). ISSN 1479-649X.s 4 - 12.

  • Bellika, Johan Gustav. Electronic health surveillance: from John Snow to a network health information system. 2008 ISBN 978-91-633-1112-3.s 14 - 14.

  • Johansen, Monika Alise; Scholl, Jeremiah; Hasvold, Per Erlend; Ellingsen, Gunnar; Bellika, Johan Gustav. "Garbage in, garbage out": extracting disease surveillance data from epr systems in primary care. ACM Press 2008 ISBN 978-1-60558-007-4.s 525 - 534.

  • Johansen, Monika Alise; Norum, Jan; Christoffersen, Terje; Fossen, Kristian; Oritsland, H; Haga, Daniel; Hasvold, Per Erlend; Bellika, Johan Gustav; Knarvik, Undine; Pedersen, Steinar. The potential of digital monochrome images versus colour slides in telescreening for diabetic retinopathy. (Sammendrag: http://www.ncbi.nlm.nih.gov/pubmed/18318926) Journal of Telemedicine and Telecare 2008; Volum 14. ISSN 1357-633X.s 27 - 31.

  • van Vuurden, Klaske; Hartvigsen, Gunnar; Bellika, Johan Gustav. Disease outbreak detection through clique covering on a weighted ICPC-coded graph. Studies in Health Technology and Informatics 2008; Volum 136. ISSN 0926-9630.s 271 - 276.

  • Botsis, Taxiarchis; Hejlesen, Ole; Bellika, Johan Gustav; Hartvigsen, Gunnar. Electronic Disease Surveillance for Sensitive Population Groups - The Diabetics Case Study. Studies in Health Technology and Informatics 2008; Volum 136. ISSN 0926-9630.s 365 - 370.

  • Bellika, Johan Gustav; Johansen, Monika Alise; Hasvold, Per Erlend; Nystad, Johanna; Bakkevoll, Per Atle; Hartvigsen, Gunnar. Eight Challenges for Developing Telemedicine Applications. Journal on Information Technology in Healthcare 2008; Volum 6 (4). ISSN 1479-649X.s 295 - 302.

  • Johansen, Monika Alise; Scholl, Jeremiah; Aronsen, Gudleif; Hartvigsen, Gunnar; Bellika, Johan Gustav. An exploratory study of disease surveillance systems in Norway. (http://jtt.rsmjournals.com/content/vol14/issue7/) Journal of Telemedicine and Telecare 2008; Volum 14 (7). ISSN 1357-633X.s 368 - 371.s doi: 10.1258/jtt.2008.007010.

  • Andreassen, Kristian; Bellika, Johan Gustav. THE RELIABILITY OF THE XMPP PROTOCOL EXTENSIONS AS FILE TRANSFER MECHANISM IN DEDICATED HEALTHCARE NETWORKS. International Conference On Information Communication Technologies in Health 2008. ISSN 1790-3904.s 24 - 30.

  • Granberg, Ove; Bellika, Johan Gustav; Årsand, Eirik; Hartvigsen, Gunnar. Automatic Infection Detection System. IOS Press 2007; Volum 129 (Part 1) ISBN 978-1-58603-774-1. ISSN 0926-9630.s 566 - 570.

  • Hartvigsen, Gunnar; Johansen, Monika A.; Hasvold, Per Erlend; Bellika, Johan Gustav; Årsand, Eirik; Arild, Eli; Gammon, Deede; Pettersen, Sture; Pedersen, Steinar. Challenges in Telemedicine and eHealth: Lessons Learned from 20 Years with Telemedicine in Tromsø. Studies in Health Technology and Informatics 2007; Volum 129. ISSN 0926-9630.s 82 - 86.

  • Hartvigsen, Gunnar; Johansen, Monika Alise; Hasvold, Per Erlend; Bellika, Johan Gustav; Årsand, Eirik; Arild, Eli; Gammon, Deede; Pettersen, Sture; Pedersen, Steinar. Challenges in Telemedicine and eHealth: Lessons Learned from 20 Years with Telemedicine in Tromsø. IOS Press 2007; Volum 129 (Part 1) ISBN 978-1-58603-774-1. ISSN 0926-9630.s 82 - 86.

  • Olsen, Bernt Ivar; Lund, Niels Windfeld; Bellika, Johan Gustav; Årsand, Eirik; Hasvold, Per Erlend; Ellingsen, Gunnar; Horsch, Alexander; Hartvigsen, Gunnar. Documents in medicine: from paper documents to quality-healthcare?. (Fulltekst: http://www.ub.uit.no/munin/bitstream/handle/10037/974/paper.pdf?sequence=1 Peter Lang Publishing Group 2007 ISBN 978-3-631-56294-9.s 95 - 116.

  • Bellika, Johan Gustav; Hartvigsen, Gunnar. A Decentralised Model for EHR Data Integration. 2006.s 75 - 77.

  • Henriksen, June Ingeborg; Bellika, Johan Gustav; Gurrin, Cathal Gerard; Hartvigsen, Gunnar. Open Source Software - The future of medical imaging?. 2006.

  • Bellika, Johan Gustav; Hasvold, Toralf; Hartvigsen, Gunnar. Propagation of program control: A tool for distributed disease surveillance. International Journal of Medical Informatics 2005. ISSN 1386-5056.

  • Bellika, Johan Gustav; Hartvigsen, Gunnar. The oncological nurse assistant: A web-based intelligent oncological nurse advisor. International Journal of Medical Informatics 2005; Volum 74. ISSN 1386-5056.s 587 - 595.

  • Årsand, Eirik; Walseth, Ole Anders; Andersson, Niklas; Fernando, Ruchith; Granberg, Ove; Bellika, Johan Gustav; Hartvigsen, Gunnar. Using blood glucose data as an indicator for epidemic disease outbreaks. Studies in Health Technology and Informatics 2005; Volum 116. ISSN 0926-9630.s 217 - 222.

  • Bellika, Johan Gustav; Bønes, Erlend; Hartvigsen, Gunnar. PaSent - the Patient's Personal Health Advisor. Journal of Telemedicine and Telecare 2002; Volum 8. ISSN 1357-633X.s 41 - 43.

  • Bellika, Johan Gustav; Bygholm, Ann; Dencker, Mette; Fossum, Mariann; Galster, Gert; Hartvigsen, Gunnar; Hejlesen, Ole Kristian; Karlsson, Daniel; Koch, Sabine; Moe, Carl Erik. Scandinavian Conference on Health Informatics 2013 - Proceedings. (Fulltekst: http://www.ep.liu.se/ecp_home/index.en.aspx?issue=091 Linköping University Electronic Press 2013 (2013:091) ISBN 978-91-7519-518-6. ISSN 1650-3686.s 67 - 71.

  • Bellika, Johan Gustav; Bygholm, Ann; Dencker, Mette; Fossum, Mariann; Galster, Gert; Hartvigsen, Gunnar; Heljesen, Ole; Karlsson, Daniel; Koch, Sabine; Moe, Carl Erik. Scandinavian Conference on Health Informatics 2013. (Fulltekst: http://www.ep.liu.se/ecp/091/ecp13091.pdf Linköping University Electronic Press 2013 (91) ISBN 978‐91‐7519‐518‐6. ISSN 1650-3686.s 87 - 88.

  • Karlsson, Daniel; Bellika, Johan Gustav; Elberg, Pia Britt; Fossum, Mariann; Galster, Gert; Hartvigsen, Gunnar; Koch, Sabine; Nilsson, Gunilla. Scandinavian Conference on Health Informatics 2012. (Fulltekst: http://www.ep.liu.se/ecp/070/ecp12070.pdf Linköping University Electronic Press 2012 (70) ISBN 978-91-7519-758-6. ISSN 1650-3686.s 19 - 25.

  • Bellika, Johan Gustav; Yigzaw, Kassaye Yitbarek; Halvorsen, Peder Andreas; Johnsen, Oddny. New tool makes it possible to do research on patient records without seeing sensitive information. (Fulltekst: https://partner.sciencenorway.no/e-health-research-ethics-health/new-tool-makes-it-possible-to-do-research-on-patient-records-without-seeing-sensitive-information/1802424 2021.

  • Smaradottir, Berglind; Bellika, Johan Gustav; Fredeng, Aina; Fagerlund, Asbjørn Johansen. User-centred Design with a Remote Approach: Experiences from the Chronic Pain Project. EFMI Special Topic Conference 2020 2020-11-26 - 2020-11-27 2020.

  • Bellika, Johan Gustav; Yigzaw, Kassaye Yitbarek; Halvorsen, Peder Andreas; Johnsen, Oddny. Nå kan forskere analysere pasientjournaler uten å se sensitiv informasjon. (Fulltekst: https://forskning.no/helsetjenester-informasjonsteknologi-nasjonalt-senter-for-e-helse-forskning/na-kan-forskere-analysere-pasientjournaler-uten-a-se-sensitiv-informasjon/1732994 2020.

  • Smaradottir, Berglind; Fagerlund, Asbjørn Johansen; Bellika, Johan Gustav. User-centred Design of a Mobile Application for Chronic Pain Management. International Conference on Informatics, Management and Technology in Healthcare (ICIMTH2020) 2020-07-03 - 2020-07-05 2020.

  • Halvorsen, Peder Andreas; Rørtveit, Guri; Sullivan, Frank; Koskela, Tuomas H.; Bellika, Johan Gustav; Nilsen, Stein. Practice based Research Networks: A giant leap for primary care Research (workshop). 21st Nordic Conress of General Practice 2019 2019-06-17 - 2019-06-20 2019.

  • Bakkevoll, Per Atle; Makhlysheva, Alexandra; Budrionis, Andrius; Chomutare, Taridzo; Linstad, Line Helen; Nordsletta, Anne Torill; Godtliebsen, Fred; Bellika, Johan Gustav; Skrøvseth, Stein Olav; Solvoll, Terje; Henriksen, Torje Dahle; Hurley, Joseph; Blixgård, Håvard Kvalvåg. Health analytics Kunstig intelligens – nye muligheter for helsetjenesten. (Fulltekst: https://ehealthresearch.no/files/documents/Prosjektrapporter/NSE-rapport_2018-03_Health_analytics_Kunstig_intelligens.pdf 2018 (03-2018) ISBN 978-82-8242-085-3. ISSN 2535-2571.

  • Bellika, Johan Gustav. The Norwegian Primary Care Research Network - Implementation and research; challenges and results so far. EHiN 2018 (Omtale: http://ehin.no/sessions/sesjon-3-room-4/) 2018-11-13 - 2018-11-14 2018.

  • Bjorvatn, Bjørn; Straand, Jørund; Halvorsen, Peder Andreas; Wensaas, Knut-Arne; Bellika, Johan Gustav; Fors, Egil Andreas; Gjelstad, Svein; Kristoffersen, Espen Saxhaug; Øxnevad-Gundersen, Berit; Rørtveit, Guri. PraksisNett - et nettverk av fastlegepraksiser. En storsatsing på forskning i allmennpraksis.. (Fulltekst: https://www.utposten.no/i/2018/4/utposten-4-2018-1357 Utposten 2018 (4). ISSN 0800-5680.s 40 - 43.

  • Makhlysheva, Alexandra; Yigzaw, Kassaye Yitbarek; Nordsletta, Anne Torill; Bellika, Johan Gustav. Workshop on privacy-preserving statistical computation with Statistics Norway. (Fulltekst: https://ehealthresearch.no/files/documents/Prosjektrapporter/NSE-rapport_2018-07_Privacy-preserving-statistical-computation.pdf 2018 (07-2018) ISBN 978-82-8242-089-1. ISSN 2535-2571.

  • Makhlysheva, Alexandra; Budrionis, Andrius; Chomutare, Taridzo; Nordsletta, Anne Torill; Bakkevoll, Per Atle; Henriksen, Torje Dahle; Hurley, Joseph; Bellika, Johan Gustav; Blixgård, Håvard Kvalvåg; Godtliebsen, Fred; Skrøvseth, Stein Olav; Solvoll, Terje; Linstad, Line Helen. Health Analytics. (Fulltekst: https://ehealthresearch.no/files/documents/Prosjektrapporter/NSE-rapport_2018-04_Health_analytics.pdf 2018 (04-2018) ISBN 978-82-8242-086-0. ISSN 2535-2571.

  • Yigzaw, Kassaye Yitbarek; Bellika, Johan Gustav; Hartvigsen, Gunnar; Andersen, Anders; Godtlibsen, Fred; Skrøvseth, Stein Olav; Berntsen, Gro Karine Rosvold. Towards Practical Privacy-Preserving Distributed Statistical Computation of Health Data. (Sammendrag: http://www.cs.uit.no/~aa/pub/yigzaw2017a) 2017.

  • Nicolaisen, Kristian; Pedersen, Rune; Bellika, Johan Gustav; Marco-Ruiz, Luis; Bakkevoll, Per Atle. Mulighetsvindu for bruk av ontologibaserte terminologier i EIEJ og Helseplattformen. Søkekonferanse Helseplattformen 2017-05-11 - 2017-05-11 2017.

  • Pedersen, Rune; Ekeland, Anne G.; Nicolaisen, Kristian; Rotvold, Gunn-Hilde; Holm, Inger Marie; Holthe, Halgeir; Kristiansen, Eli; Bellika, Johan Gustav. Effektmål for implementeringen av Helseplattformen, en pre-post studie. Søkekonferanse Helseplattformen 2017-05-11 - 2017-05-11 2017.

  • Nordsletta, Anne Torill; Bellika, Johan Gustav; Pedersen, Rune. Etablering av teknologisk plattform for benchmarking av effektmål. Søkekonferanse Helseplattformen 2017-05-11 - 2017-05-11 2017.

  • Marco-Ruiz, Luis; Nicolaisen, Kristian; Makhlysheva, Alexandra; Pedersen, Rune; Bakkevoll, Per Atle; Bellika, Johan Gustav. Ontology-based Terminology for Healthcare – Impact assessment and transitional consequences for implementation. (Fulltekst: https://ehealthresearch.no/files/documents/Prosjektrapporter/NSE-rapport_2017-08_Ontology-based-terminologies-for-healthcare.pdf 2017 (08-2017) ISBN 978-82-8242-077-8. ISSN 2535-2571.

  • Berntsen, Gro Karine Rosvold; Hurley, Joseph; Dalbakk, Monika; Bergmo, Trine Strand; Bellika, Johan Gustav; Solbakken, Beate; Brattland, Trond; Rumpsfeld, Markus. Person-centered, cross organizational and multiprofessional team halves mortality risk. The PAtient Centered Care Team (PACT) Study – Preliminary results from a comparative effectiveness study. International Journal of Integrated Care (IJIC) 2017; Volum 17 (5). ISSN 1568-4156.s doi: 10.5334/ijic.3798.

  • Bellika, Johan Gustav; Henriksen, Torje Dahle; Hurley, Joseph; Budrionis, Andrius; Marco-Ruiz, Luis; Yigzaw, Kassaye Yitbarek; Hailemichael, Meskerem Asfaw. Electronic health record data reuse infrastructure requirements. (Fulltekst: https://ehealthresearch.no/files/documents/Prosjektrapporter/NSE-rapport_2017-10_EHR_data_reuse_infrastructure_requirements.pdf 2017 (10-2017) ISBN 978-82-8242-079-2. ISSN 2535-2571.

  • Bellika, Johan Gustav; Makhlysheva, Alexandra; Bakkevoll, Per Atle. Sterk økning i risiko for eksponering av helsedata i USA. (Fulltekst: https://ehealthresearch.no/faktaark/sterk-okning-i-risiko-for-eksponering-av-helsedata-i-usa 2017.

  • Bakkevoll, Per Atle; Pedersen, Rune; Nicolaisen, Kristian; Bellika, Johan Gustav; Solvoll, Terje. IKT-støtte for kodeverk og terminologi. (https://ehealthresearch.no/files/documents/Prosjektrapporter/NSE-rapport_2017-03_IKT-stotte_for_kodeverk_og_terminologi.pdf) 2017 (03-2017). ISSN 2535-2571.

  • Bellika, Johan Gustav; Sigdel, Dipesh. Vil pasienter bruke e-helseverktøy når de er syke?. (Fulltekst: https://ehealthresearch.no/faktaark/vil-pasienter-bruke-e-helseverktoy-naar-de-er-syke 2016.

  • Berntsen, Gro Karine Rosvold; Strisland, Frode; Rotvold, Gunn-Hilde; Reitan, Jarl; Røhne, Mette; Pedersen, Rune; Bellika, Johan Gustav; Nicolaisen, Kristian; Fensli, Rune Werner. Forskningsprotokoll -VerDig Verdiskapende Digitale Samhandlingsløsninger for Pasientens helsetjeneste. (https://ehealthresearch.no/files/documents/Prosjektrapporter/NSE-rapport_2016-09_Forskningsprotokoll-VerDig.pdf) 2016 (09-2016) ISBN 978-82-8242-067-9. ISSN 2535-2571.

  • Bakkevoll, Per Atle; Bellika, Johan Gustav; Godtliebsen, Fred; Linstad, Line Helen. Internasjonale referansecase for bruk av helsedata. (https://ehealthresearch.no/files/documents/Prosjektrapporter/NSE-rapport_2016-05_Internasjonale_referansecase_for_bruk_av_helsedata.pdf) 2016 (05-2016) ISBN 978-82-8242-063-1. ISSN 2535-2571.

  • Budrionis, Andrius; Marco-Ruiz, Luis; Yigzaw, Kassaye Yitbarek; Bellika, Johan Gustav. Building a Learning Healthcare System in North Norway. Proceedings from The 14th Scandinavian Conference on Health Informatics 2016 2016-04-06 - 2016-04-07 2016.

  • Marco Ruiz, Luis; Budrionis, Andrius; Yigzaw, Kassaye Yitbarek; Bellika, Johan Gustav. Interoperability Mechanisms of Clinical Decision Support Systems: A Systematic Review. Proceedings of the 14th Scandinavian Conference on Health Informatics 2016-04-06 - 2016-04-07 2016.

  • Budrionis, Andrius; Luis, Marco-ruiz; Yigzaw, Kassaye Yitbarek; Bellika, Johan Gustav. Building a Learning Healthcare System in North Norway. The 14th Scandinavian Conference on Health Informatics 2016 2016-04-06 - 2016-04-07 2016.

  • Bellika, Johan Gustav; Marco, Lluis; Wynn, Rolf. A communicable disease query engine. Studies in Health Technology and Informatics 2015; Volum 210. ISSN 0926-9630.s 1012 - 1012.s doi: 10.3233/978-1-61499-512-8-1012.

  • Laukli, Randi; Bellika, Johan Gustav. Regner ut hvorfor du er syk. (Fulltekst: https://forskning.no/sykdommer-epidemier-informasjonsteknologi/regner-ut-hvorfor-du-er-syk/505691 2015.

  • Marco Ruiz, Luis; Bellika, Johan Gustav. Semantic interoperability in clinical decision support systems: a systematic review. Studies in Health Technology and Informatics 2015; Volum 216. ISSN 0926-9630.s 958 - 958.s doi: 10.3233/978-1-61499-564-7-958.

  • Marco Ruiz, Luis; Pazos, Pablo; Atalag, Koray; Yigzaw, Kassaye Yitbarek; Bellika, Johan Gustav. Enabling Clinical Data Reuse with openEHR Data Warehouse Environments. Medinfo 2015 2015-08-19 - 2015-08-23 2015.

  • Marco Ruiz, Luis; Bellika, Johan Gustav. Semantic Interoperability in Clinical Decision Support Systems: A Systematic Review.. Medinfo 2015 2015-08-19 - 2015-08-19 2015.

  • Hailemichael, Meskerem Asfaw; Yigzaw, Kassaye Yitbarek; Bellika, Johan Gustav. Emnet: a tool for privacy-preserving statistical computing on distributed health data. The 13th Scandinavian Conference on Health Informatics (Fulltekst: http://www.ep.liu.se/ecp/115/006/ecp15115006.pdf 2015-06-15 - 2015-06-17 2015.

  • Budrionis, Andrius; Hartvigsen, Gunnar; Bellika, Johan Gustav. Camera Movement during Telementoring and Laparoscopic Surgery: Challenges and Innovative Solutions. SHI 2015 - the 13th Scandinavian Conference on Health Informatics 2015-06-15 - 2015-06-17 2015.

  • Budrionis, Andrius; Hartvigsen, Gunnar; Bellika, Johan Gustav. Are Mobile Devices Ready for Telementoring? A Protocol Design for Randomized Controlled Trials. eTELEMED 2014 : The Sixth International Conference on eHealth, Telemedicine, and Social Medicine 2014-03-23 - 2014-03-27 2014.

  • Marco Ruiz, Luis; Maldonado, J.A.; Traver, Vicente; Karlsen, Randi; Bellika, Johan Gustav. Meta-architecture for the interoperability and knowledge management of archetype-based clinical decision support systems. International Conference on Biomedical and Health Informatics (BHI), 2014 IEEE-EMBS 2014-06-01 - 2014-06-04 2014.

  • Yigzaw, Kassaye Yitbarek; Bellika, Johan Gustav. A communicable disease prediction benchmarking platform. Biomedical and Health Informatics (BHI), 2014 IEEE-EMBS International Conference 2014-06-01 - 2014-06-04 2014.

  • Marco- Ruiz, Louis; Bellika, Johan Gustav. Meta-architecture for the interoperability and knowledge management of archetype-based clinical decision support systems. 2014.

  • Yigzaw, Kassaye Yitbarek; Bellika, Johan Gustav. Evaluation of secure multi-party computation for reuse of distributed electronic health data. Biomedical and Health Informatics (BHI), 2014 IEEE-EMBS International Conference on 2014-06-01 - 2014-06-04 2014.

  • Budrionis, Andrius; Augestad, Knut Magne; Patel, Hitendra R.H.; Bellika, Johan Gustav. An Evaluation Framework for Defining the Contributions of Telestration in Surgical Telementoring. Medicine 2.0 Congress 2013-09-23 - 2013-09-24 2013.

  • Yigzaw, Kassaye Yitbarek; Andersen, A; Hartvigsen, Gunnar; Bellika, Johan Gustav. Towards privacy preserving comparative effectiveness research. Helseinformatikkuka i Trondheim 2013-09-17 - 2013-09-19 2013.

  • Bellika, Johan Gustav; Yigzaw, Kassaye Yitbarek; Henriksen, Torje Starbo; Ilebrekke, Lars; Skrøvseth, Stein Olav; Bakkevoll, Per Atle; Bønes, Erlend; Leer, Eirik; Johansen, Monika Alise; Chomutare, Taridzo; Simonsen, Gunnar Skov; Geilhufe, Marc; Berntsen, Gro; Gjelstad, Stein Are; Hartvigsen, Gunnar; Godtliebsen, Fred. The Snow system – a distributed medical data processing system. Helseinformatikkuka i Trondheim 2013-09-17 - 2013-09-19 2013.

  • Budrionis, Andrius; Augestad, Knut Magne; Bellika, Johan Gustav. Mobile Medical Mentor (M3). Helseinformatikkuka i Trondheim 2013-09-17 - 2013-09-19 2013.

  • Skrøvseth, Stein Olav; Yigzaw, Kassaye Yitbarek; Henriksen, Torje Starbo; Ilebrekke, Lars; Bakkevoll, Per Atle; Simonsen, Gunnar Skov; Gutteberg, Tore Jarl; Bellika, Johan Gustav. The Snow communicable disease outbreak detection approach. Helseinformatikkuka i Trondheim 2013-09-17 - 2013-09-19 2013.

  • Yigzaw, Kassaye Yitbarek; Gutteberg, Tore Jarl; Bellika, Johan Gustav. The Snow infectious disease forecast service. Helseinformatikkuka i Trondheim 2013-09-17 - 2013-09-19 2013.

  • Yigzaw, Kassaye Yitbarek; Bellika, Johan Gustav; Andersen, Anders; Hartvigsen, Gunnar; Fernandez-Llatas, Carlos. Towards Privacy-Preserving Computing on Distributed Electronic Health Record Data. Middleware '13 14th International Middleware Conference 2013-12-09 - 2013-12-13 2013.

  • Hanssen, Kine; Bellika, Johan Gustav. Vil at du skal gå mindre til legen. (Fulltekst: http://www.itromso.no/nyheter/article8039949.ece 2013.

  • Solheim, Hilde; Bellika, Johan Gustav. Viser smittefare nær deg. (Fulltekst: http://www.aftenposten.no/nyheter/iriks/Viser-smittefare-nar-deg-7230341.html#.Ufpoem0ddVV (Prosjekt: https://www.erdusyk.no) 2013.

  • Sjøveian, Anja Lisbeth Laitinen; Bellika, Johan Gustav; Hartvigsen, Gunnar. A web/mobile app for internet based survey of gastrointestinal and respiratory symptoms. 2012.

  • Yigzaw, Kassaye Yitbarek; Bellika, Johan Gustav; Hartvigsen, Gunnar; Geilhufe, Marc. Snow Integrated Communicable Disease Prediction Service. 2012.

  • Gebeyehu, Leykun Melkamu; Bellika, Johan Gustav. Enabling medical research on clinically collected data using openEHR archetypes. 2012.

  • Skrøvseth, Stein Olav; Geilhufe, Marc; Yigzaw, Kassaye Yitbarek; Simonsen, Gunnar Skov; Bellika, Johan Gustav; Godtliebsen, Fred. Modeling the spread of infectious diseases by Gaussian Markov Random Fields as a tool for medical decision making. 14th biennial SMDM European meeting 2012-06-10 - 2012-06-12 2012.

  • Geilhufe, Marc; Skrøvseth, Stein Olav; Sørbye, Sigrunn Holbek; Yigzaw, Kassaye Yitbarek; Bellika, Johan Gustav; Godtliebsen, Fred. Spatio-temporal modeling of communicable diseases: A case study of North Norway. The Second Workshop on Bayesian Inference for Latent Gaussian Models with Applications 2012-05-30 - 2012-06-01 2012.

  • Lauritzen, Jonas Nørgaard; Årsand, Eirik; Horsch, Alexander; Fernandez-Luque, Luis; Chomutare, Taridzo Fred; Bellika, Johan Gustav; Hejlesen, Ole Kristian; Hartvigsen, Gunnar. Social Media and Games as Self-Management Tools for Children and Adolescents with Type 1 Diabetes Mellitus. HEALTHINF 2012 – International Confernece on Health Informatics 2012-02-01 - 2012-02-04 2012.

  • Bellika, Johan Gustav; Gustad, Ragnhild. Se hvilke sykdommer som herjer i nabolaget. 2012.

  • Lauritzen, Jonas Nørgaard; Årsand, Eirik; Horsch, Alexander; Fernandez-Luque, Luis; Bellika, Johan Gustav; Hejlesen, Ole; Hartvigsen, Gunnar. Exploring the use of Educational Video Games as Self-Management Tools for Children and Adolescents with Type 1 Diabetes Mellitus. 9th Scandinavian Conference on Health Informatics 2011-08-30 - 2011-08-30 2011.

  • Lauritzen, Jonas Nørgaard; Årsand, Eirik; Van Vuurden, Klaske; Bellika, Johan Gustav; Hejlesen, Ole Kristian; Hartvigsen, Gunnar. Towards a mobile solution for predicting illness in Type 1 Diabetes Mellitus: Development of a prediction model for detecting risk of illness in Type 1 Diabetes prior to symptom onset. Towards a mobile solution for predicting illness in Type 1 Diabetes Mellitus: Development of a prediction model for detecting risk of illness in Type 1 Diabetes prior to symptom onset 2011-02-28 - 2011-03-03 2011.

  • Simonsen, Gunnar Skov; Chomutare, Taridzo; Ilebrekke, Lars; Bakkevoll, Per Atle; Sjøveian, Anja; Bellika, Johan Gustav. Real-time local epidemiological data through the internet as a management tool for infections in the community. 21st European Congress of Clinical Microbiology and Infectious Diseases (ECCMID) 2011-05-07 - 2011-05-10 2011.

  • Rygh, Ellen; Berntsen, Gro; Simonsen, Gunnar Skov; Bellika, Johan Gustav. The Snow disease surveillance system study. 7th Nordic Congress of General Practice 2011-06-14 - 2011-06-17 2011.

  • Bellika, Johan Gustav; Berntsen, Gro; Simonsen, Gunnar Skov; Rygh, Ellen. Do GPs need online access to epidemiological data of communicable diseases from the local patient population?. 17th Nordic Congress of General Practice 2011-06-14 - 2011-06-17 2011.

  • Bellika, Johan Gustav; Vognild, Lars Kristian; Traver, Vicente; Aguilar, Julian Guirao. Breathing as user interface for pulmonary rehabilitation - Respiration tracking using the Wii remote controller. 2010.

  • Johansen, Monika Alise; Johnsen, Jan Are Kolset; Shrestha, Neema; Bellika, Johan Gustav. Symptoms from patients as the primary information source for real-time surveillance. Medinfo 2010 - 13th World Congress on Medical and Health Informatics 2010-09-12 - 2010-09-15 2010.

  • Lauritzen, Jonas Nørgaard; Årsand, Eirik; Bellika, Johan Gustav; Van Vuurden, Klaske; Hejlesen, Ole; Hartvigsen, Gunnar. Exploring illness prediction in Type 1 Diabetes Mellitus pre-symptom onset. International Society for Disease Surveillance: 9th Annual Conference 2010-12-01 - 2010-12-02 2010.

  • Guirao Aguilar, Julian; Traver Salcedo, Vincente; Bellika, Johan Gustav; Fernandez Luque, Luis. "La respiración como interfaz de usuario para programas de rehabilitación pulmonar: adquiriendo senales respiratorias con el mando de la Wii" [Respiration as user interface for pulmonary rehabilitation: acquisition of breathing signals with the Wii Remote]. CASEIB 2010 2010-11-24 - 2010-11-26 2010.

  • Botsis, Taxiarchis; Walderhaug, Ståle; Dias, Andrê Fernando; Van Vuurden, Klaske; Bellika, Johan Gustav; Hartvigsen, Gunnar. Point-of-care devices for healthy consumers - a feasibility study. Journal of Telemedicine and Telecare 2009; Volum 15 (8). ISSN 1357-633X.s 419 - 420.s doi: 10.1258/jtt.2009.090510.

  • Orlin, Karsten; Bellika, Johan Gustav. Improving the performance of the in-band byte stream file transfer XMPP extension. 2009.

  • Dhakal, Sanjaya Babu; Bellika, Johan Gustav. Interactive Disease Maps for the Snow Agent System. 2009.

  • Bellika, Johan Gustav; Ilebrekke, Lars; Bakkevoll, Per Atle; Johansen, Håvard; Scholl, Jeremiah; Johansen, Monika Alise. Authentication and encryption in the Snow Disease Surveillance Network. Medical Informatics in a United and Healty Europe 2009-08-30 - 2009-09-02 2009.

  • Henriksen, Eva; Johansen, Monika Alise; Baardsgaard, Anders; Bellika, Johan Gustav. Threats to Information Security of Real-Time Disease Surveillance Systems. Medical Informatics in a United and Healty Europe 2009-08-30 - 2009-09-02 2009.

  • Johansen, Monika Alise; Johnsen, Jan Are Kolset; Hartvigsen, Gunnar; Ellingsen, Gunnar; Bellika, Johan Gustav. Bridging the Gap between Patients' Expectations and General Practitioners' Knowledge through Disease Surveillance. Medical Informatics in a United and Healty Europe (MIE 2009) 2009-08-30 - 2009-09-02 2009.

  • Botsis, Taxiarchis; Bellika, Johan Gustav; Hartvigsen, Gunnar. New Directions in Electronic Disease Surveillance: Detection of Infectious Diseases during the Incubation Period. International Conference on eHealth, Telemedicine, and Social Medicine 2009-02-01 - 2009-02-07 2009.

  • Botsis, Taxiarchis; Hejlesen, Ole; Bellika, Johan Gustav; Hartvigsen, Gunnar. Disease surveillance systems for diabetics. Telemedicine journal and e-health 2008; Volum 14. ISSN 1530-5627.s 108 - 108.

  • Johansen, Monika Alise; Scholl, Jeremiah; Aronsen, Gudleif; Hartvigsen, Gunnar; Bellika, Johan Gustav. An Exploratory Study of Disease Surveillance System in Norway. 2008.

  • Van Vuurden, Klaske; Hartvigsen, Gunnar; Bellika, Johan Gustav; Botsis, Taxiarchis. Models for Automatic Detection of Infectious Diseases at an Early Stage in Disease Progression. 2008.

  • Andreassen, Kristian Martin; Bellika, Johan Gustav. THE RELIABILITY OF XMPP FOR FILE TRANSFER. 2008.

  • Bellika, Johan Gustav. The Snow system: a ubiquitous health surveillance system. The EFMI Special Topic Conference 2008-09-09 - 2008-09-11 2008.

  • Bellika, Johan Gustav; Johansen, Monika Alise; Hasvold, Per Erlend; Nystad, Johanna; Bakkevoll, Per Atle; Hartvigsen, Gunnar. Eight Challenges for Developing Telemedicine Applications. ICICTH 2008 2008-07-11 - 2008-07-13 2008.

  • Van Vuurden, Klaske; Hartvigsen, Gunnar; Bellika, Johan Gustav; Botsis, Taxiarchis. Models for Automatic Detection of Infectious Diseases at an Early Stage in Disease Progression. Tromsø Telemedicine and e-Health Conference (TTeC 08) 2008-06-09 - 2008-06-11 2008.

  • Johansen, Monika Alise; Scholl, Jeremiah; Aronsen, Gudleif; Hartvigsen, Gunnar; Bellika, Johan Gustav. An Exploratory Study of Disease Surveillance Systems in Norway. Tromsø Telemedicine and e-Health Conference (TTeC 08) 2008-06-09 - 2008-06-11 2008.

  • Johansen, Monika Alise; Scholl, Jeremiah; Hasvold, Per Erlend; Ellingsen, Gunnar; Bellika, Johan Gustav. “Garbage In, Garbage Out”- Extracting Disease Surveillance Data from EPR Systems in Primary Care. To appear in Proc. ACM conference on Computer Support Cooperative Work 2008-11-08 - 2008.

  • Andreassen, Kristian Martin; Bellika, Johan Gustav. THE RELIABILITY OF THE XMPP PROTOCOL EXTENSIONS AS FILE TRANSFER MECHANISM IN DEDICATED HEALTHCARE NETWORKS. ICICTH 2008 2008-07-11 - 2008-07-13 2008.

  • Botsis, Taxiarchis; Hejlesen, Ole; Bellika, Johan Gustav; Hartvigsen, Gunnar. Electronic Disease Surveillance for Sensitive Population Groups - The Diabetics Case Study. 21st International Congress of the European Federation for Medical Informatics 2008-05-25 - 2008-05-28 2008.

  • van Vuurden, Klaske; Hartvigsen, Gunnar; Bellika, Johan Gustav. Disease outbreak detection through clique covering on a weighted ICPC-coded graph. 21st International Congress of the European Federation for Medical Informatics 2008-05-25 - 2008-05-28 2008.

  • Johansen, Monika Alise; Scholl, Jeremiah; Aronsen, Gudleif; Hartvigsen, Gunnar; Bellika, Johan Gustav. A Qualitative Study of Current and Future Systems for Disease Surveillance. The 21st International Congress of the European Federation for Medical Informatics (MIE) 2008-05-25 - 2008-05-28 2008.

  • Botsis, Taxiarchis; Hejlesen, Ole; Bellika, Johan Gustav; Hartvigsen, Gunnar. Electronic infectious disease surveillance systems for diabetics. 1st International Conference on Advanced Technologies & Treatments for Diabetes 2008-02-27 - 2008-03-01 2008.

  • Bellika, Johan Gustav. Electronic health surveillance: from John Snow to a networked health information system. Keynote at The Scandinavian Health Informatics and Terminology Conference 2008 2008-08-26 - 2008-08-28 2008.

  • Botsis, Taxiarchis; Bellika, Johan Gustav; Hartvigsen, Gunnar. Disease surveillance for sensitive populations. 2007.

  • Botsis, Taxiarchis; Hejlesen, Ole; Bellika, Johan Gustav; Hartvigsen, Gunnar. Blood glucose levels as a censor for the early detection of infection in type-1 diabetics. 2007.

  • Bellika, Johan Gustav; Aronsen, Gudleif; Johansen, Monika Alise; Hartvigsen, Gunnar; Simonsen, Gunnar Skov. The Snow Agent System: A peer-to-peer system for disease surveillance and diagnostic assistance. 2007.

  • Johansen, Monika Alise; Aronsen, Gudleif; Hartvigsen, Gunnar; Bellika, Johan Gustav. What do GPs want in return from a Syndromic Surveillance system?. 2007.

  • Hartvigsen, Gunnar; Bellika, Johan Gustav; Baardsgaard, Anders. The Scandinavian Health Network: Connecting the Scandinavian countries` health networks. 2007.

  • Aronsen, Gudleif; Bellika, Johan Gustav; Hartvigsen, Gunnar; Simonsen, Gunnar Skov. Visualization of contagious disease outbreak information for primary care physicians. 2007.

  • Bellika, Johan Gustav; Aronsen, Gudleif; Johansen, Monika Alise; Hartvigsen, Gunnar; Simonsen, Gunnar Skov. The Snow Agent System: A peer-to-peer system for disease surveillance and diagnostic assistance. International Society for Disease Surveillance: Sixth Annual Conference 2007-10-11 - 2007-10-12 2007.

  • Granberg, Ove; Bellika, Johan Gustav; Årsand, Eirik; Hartvigsen, Gunnar. Automatic Infection Detection System. MEDINFO 2007 2007-08-20 - 2007-08-24 2007.

  • Hartvigsen, Gunnar; Johansen, Monika Alise; Hasvold, Per Erlend; Bellika, Johan Gustav; Årsand, Eirik; Arild, Eli; Gammon, Deede; Pettersen, Sture; Pedersen, Steinar. Challenges in Telemedicine and eHealth: Lessons Learned from 20 Years with Telemedicine in Tromsø. MEDINFO 2007 2007-08-20 - 2007-08-24 2007.

  • Botsis, Taxiarchis; Hejlesen, Ole; Bellika, Johan Gustav; Hartvigsen, Gunnar. Blood glucose levels as a censor for the early detection of infection in type-1 diabetics. International Society for Disease Surveillance: Sixth Annual Conference 2007-10-11 - 2007-10-12 2007.

  • Johansen, Monika Alise; Aronsen, Gudleif; Hartvigsen, Gunnar; Bellika, Johan Gustav. What do GPs want in return from a Syndromic Surveillance system?. International Society for Disease Surveillance: Sixth Annual Conference 2007-10-11 - 2007-10-12 2007.

  • Botsis, Taxiarchis; Hartvigsen, Gunnar; Bellika, Johan Gustav. Disease surveillance for sensitive populations. International Society for Disease Surveillance: Sixth Annual Conference 2007-10-11 - 2007-10-12 2007.

  • Henriksen, June Ingeborg; Hartvigsen, Gunnar; Bellika, Johan Gustav. An Open Source PACS study. 2006.

  • Hartvigsen, Gunnar; Bellika, Johan Gustav; Granberg, Ove. The Infectious Health Analysis (IHAS) system. 2006.

  • Bellika, Johan Gustav; Hartvigsen, Gunnar; Hasvold, Toralf. The Snow Agent System - A mobile agent system platform for extending electronic health record systems with clinical decision support modules. 2006 ISBN 82-92461-62-0.

  • Olsen, Bernt Ivar; Eggen, Anne Elise; Bellika, Johan Gustav; Angermo, Per; Weij, Molly van der; Hartvigsen, Gunnar. Automatic Monitoring and Control of Medication. 1st Tromsø Telemedicine Conference (TTC2003) / 8th International Conference on the Medical Aspects of Telemedicine 2003-09-15 - 2003-09-17 2003.

  • Bellika, Johan Gustav; Andreassen, Hege Kristin; Bergmo, Trine Strand; Christiansen, Ellen K; Hartvigsen, Gunnar; Hartviksen, Gjermund; Hasvold, Per Erlend; Hasvold, Toralf; Henriksen, Eva; Krystad, Marit; Kummervold, Per Egil; Larsen, Eli; Larsen, Frank Atle; Loftesnes, Leif Erik; Nohr, Leif Erik; Nystadnes, Torbjørn; Rinde, Eivind; Rotvold, Gunn-Hilde; Skipenes, Eva; Strandenæs, Thomas. Nettbasert pasientinformasjonssystem. Hovedrapport fra Elviraprosjektet. 2001.

  • Bellika, Johan Gustav; Hartvigsen, Gunnar; Hasvold, Per Erlend. Scenario 2002. Norsk Telemed '99. 1999-10-13 - 2000-03-13 1999.

  • Ekeland, Anne G.; Arild, Eli; Bellika, Johan Gustav. Evaluering av telemedisinske tjenester. Teledermatologi - brukererfaringer. NST rapport. 1999.

  • Bellika, Johan Gustav; Yigzaw, Kassaye Yitbarek; Halvorsen, Peder Andreas; Johnsen, Oddny. New tool makes it possible to do research on patient records without seeing sensitive information. (Fulltekst: https://partner.sciencenorway.no/e-health-research-ethics-health/new-tool-makes-it-possible-to-do-research-on-patient-records-without-seeing-sensitive-information/1802424 2021.

  • Smaradottir, Berglind; Bellika, Johan Gustav; Fredeng, Aina; Fagerlund, Asbjørn Johansen. User-centred Design with a Remote Approach: Experiences from the Chronic Pain Project. EFMI Special Topic Conference 2020 2020-11-26 - 2020-11-27 2020.

  • Bellika, Johan Gustav; Yigzaw, Kassaye Yitbarek; Halvorsen, Peder Andreas; Johnsen, Oddny. Nå kan forskere analysere pasientjournaler uten å se sensitiv informasjon. (Fulltekst: https://forskning.no/helsetjenester-informasjonsteknologi-nasjonalt-senter-for-e-helse-forskning/na-kan-forskere-analysere-pasientjournaler-uten-a-se-sensitiv-informasjon/1732994 2020.

  • Smaradottir, Berglind; Fagerlund, Asbjørn Johansen; Bellika, Johan Gustav. User-centred Design of a Mobile Application for Chronic Pain Management. International Conference on Informatics, Management and Technology in Healthcare (ICIMTH2020) 2020-07-03 - 2020-07-05 2020.

  • Halvorsen, Peder Andreas; Rørtveit, Guri; Sullivan, Frank; Koskela, Tuomas H.; Bellika, Johan Gustav; Nilsen, Stein. Practice based Research Networks: A giant leap for primary care Research (workshop). 21st Nordic Conress of General Practice 2019 2019-06-17 - 2019-06-20 2019.

  • Bakkevoll, Per Atle; Makhlysheva, Alexandra; Budrionis, Andrius; Chomutare, Taridzo; Linstad, Line Helen; Nordsletta, Anne Torill; Godtliebsen, Fred; Bellika, Johan Gustav; Skrøvseth, Stein Olav; Solvoll, Terje; Henriksen, Torje Dahle; Hurley, Joseph; Blixgård, Håvard Kvalvåg. Health analytics Kunstig intelligens – nye muligheter for helsetjenesten. (Fulltekst: https://ehealthresearch.no/files/documents/Prosjektrapporter/NSE-rapport_2018-03_Health_analytics_Kunstig_intelligens.pdf 2018 (03-2018) ISBN 978-82-8242-085-3. ISSN 2535-2571.

  • Bellika, Johan Gustav. The Norwegian Primary Care Research Network - Implementation and research; challenges and results so far. EHiN 2018 (Omtale: http://ehin.no/sessions/sesjon-3-room-4/) 2018-11-13 - 2018-11-14 2018.

  • Bjorvatn, Bjørn; Straand, Jørund; Halvorsen, Peder Andreas; Wensaas, Knut-Arne; Bellika, Johan Gustav; Fors, Egil Andreas; Gjelstad, Svein; Kristoffersen, Espen Saxhaug; Øxnevad-Gundersen, Berit; Rørtveit, Guri. PraksisNett - et nettverk av fastlegepraksiser. En storsatsing på forskning i allmennpraksis.. (Fulltekst: https://www.utposten.no/i/2018/4/utposten-4-2018-1357 Utposten 2018 (4). ISSN 0800-5680.s 40 - 43.

  • Makhlysheva, Alexandra; Yigzaw, Kassaye Yitbarek; Nordsletta, Anne Torill; Bellika, Johan Gustav. Workshop on privacy-preserving statistical computation with Statistics Norway. (Fulltekst: https://ehealthresearch.no/files/documents/Prosjektrapporter/NSE-rapport_2018-07_Privacy-preserving-statistical-computation.pdf 2018 (07-2018) ISBN 978-82-8242-089-1. ISSN 2535-2571.

  • Makhlysheva, Alexandra; Budrionis, Andrius; Chomutare, Taridzo; Nordsletta, Anne Torill; Bakkevoll, Per Atle; Henriksen, Torje Dahle; Hurley, Joseph; Bellika, Johan Gustav; Blixgård, Håvard Kvalvåg; Godtliebsen, Fred; Skrøvseth, Stein Olav; Solvoll, Terje; Linstad, Line Helen. Health Analytics. (Fulltekst: https://ehealthresearch.no/files/documents/Prosjektrapporter/NSE-rapport_2018-04_Health_analytics.pdf 2018 (04-2018) ISBN 978-82-8242-086-0. ISSN 2535-2571.

  • Yigzaw, Kassaye Yitbarek; Bellika, Johan Gustav; Hartvigsen, Gunnar; Andersen, Anders; Godtlibsen, Fred; Skrøvseth, Stein Olav; Berntsen, Gro Karine Rosvold. Towards Practical Privacy-Preserving Distributed Statistical Computation of Health Data. (Sammendrag: http://www.cs.uit.no/~aa/pub/yigzaw2017a) 2017.

  • Nicolaisen, Kristian; Pedersen, Rune; Bellika, Johan Gustav; Marco-Ruiz, Luis; Bakkevoll, Per Atle. Mulighetsvindu for bruk av ontologibaserte terminologier i EIEJ og Helseplattformen. Søkekonferanse Helseplattformen 2017-05-11 - 2017-05-11 2017.

  • Pedersen, Rune; Ekeland, Anne G.; Nicolaisen, Kristian; Rotvold, Gunn-Hilde; Holm, Inger Marie; Holthe, Halgeir; Kristiansen, Eli; Bellika, Johan Gustav. Effektmål for implementeringen av Helseplattformen, en pre-post studie. Søkekonferanse Helseplattformen 2017-05-11 - 2017-05-11 2017.

  • Nordsletta, Anne Torill; Bellika, Johan Gustav; Pedersen, Rune. Etablering av teknologisk plattform for benchmarking av effektmål. Søkekonferanse Helseplattformen 2017-05-11 - 2017-05-11 2017.

  • Marco-Ruiz, Luis; Nicolaisen, Kristian; Makhlysheva, Alexandra; Pedersen, Rune; Bakkevoll, Per Atle; Bellika, Johan Gustav. Ontology-based Terminology for Healthcare – Impact assessment and transitional consequences for implementation. (Fulltekst: https://ehealthresearch.no/files/documents/Prosjektrapporter/NSE-rapport_2017-08_Ontology-based-terminologies-for-healthcare.pdf 2017 (08-2017) ISBN 978-82-8242-077-8. ISSN 2535-2571.

  • Berntsen, Gro Karine Rosvold; Hurley, Joseph; Dalbakk, Monika; Bergmo, Trine Strand; Bellika, Johan Gustav; Solbakken, Beate; Brattland, Trond; Rumpsfeld, Markus. Person-centered, cross organizational and multiprofessional team halves mortality risk. The PAtient Centered Care Team (PACT) Study – Preliminary results from a comparative effectiveness study. International Journal of Integrated Care (IJIC) 2017; Volum 17 (5). ISSN 1568-4156.s doi: 10.5334/ijic.3798.

  • Bellika, Johan Gustav; Henriksen, Torje Dahle; Hurley, Joseph; Budrionis, Andrius; Marco-Ruiz, Luis; Yigzaw, Kassaye Yitbarek; Hailemichael, Meskerem Asfaw. Electronic health record data reuse infrastructure requirements. (Fulltekst: https://ehealthresearch.no/files/documents/Prosjektrapporter/NSE-rapport_2017-10_EHR_data_reuse_infrastructure_requirements.pdf 2017 (10-2017) ISBN 978-82-8242-079-2. ISSN 2535-2571.

  • Bellika, Johan Gustav; Makhlysheva, Alexandra; Bakkevoll, Per Atle. Sterk økning i risiko for eksponering av helsedata i USA. (Fulltekst: https://ehealthresearch.no/faktaark/sterk-okning-i-risiko-for-eksponering-av-helsedata-i-usa 2017.

  • Bakkevoll, Per Atle; Pedersen, Rune; Nicolaisen, Kristian; Bellika, Johan Gustav; Solvoll, Terje. IKT-støtte for kodeverk og terminologi. (https://ehealthresearch.no/files/documents/Prosjektrapporter/NSE-rapport_2017-03_IKT-stotte_for_kodeverk_og_terminologi.pdf) 2017 (03-2017). ISSN 2535-2571.

  • Bellika, Johan Gustav; Sigdel, Dipesh. Vil pasienter bruke e-helseverktøy når de er syke?. (Fulltekst: https://ehealthresearch.no/faktaark/vil-pasienter-bruke-e-helseverktoy-naar-de-er-syke 2016.

  • Berntsen, Gro Karine Rosvold; Strisland, Frode; Rotvold, Gunn-Hilde; Reitan, Jarl; Røhne, Mette; Pedersen, Rune; Bellika, Johan Gustav; Nicolaisen, Kristian; Fensli, Rune Werner. Forskningsprotokoll -VerDig Verdiskapende Digitale Samhandlingsløsninger for Pasientens helsetjeneste. (https://ehealthresearch.no/files/documents/Prosjektrapporter/NSE-rapport_2016-09_Forskningsprotokoll-VerDig.pdf) 2016 (09-2016) ISBN 978-82-8242-067-9. ISSN 2535-2571.

  • Bakkevoll, Per Atle; Bellika, Johan Gustav; Godtliebsen, Fred; Linstad, Line Helen. Internasjonale referansecase for bruk av helsedata. (https://ehealthresearch.no/files/documents/Prosjektrapporter/NSE-rapport_2016-05_Internasjonale_referansecase_for_bruk_av_helsedata.pdf) 2016 (05-2016) ISBN 978-82-8242-063-1. ISSN 2535-2571.

  • Budrionis, Andrius; Marco-Ruiz, Luis; Yigzaw, Kassaye Yitbarek; Bellika, Johan Gustav. Building a Learning Healthcare System in North Norway. Proceedings from The 14th Scandinavian Conference on Health Informatics 2016 2016-04-06 - 2016-04-07 2016.

  • Marco Ruiz, Luis; Budrionis, Andrius; Yigzaw, Kassaye Yitbarek; Bellika, Johan Gustav. Interoperability Mechanisms of Clinical Decision Support Systems: A Systematic Review. Proceedings of the 14th Scandinavian Conference on Health Informatics 2016-04-06 - 2016-04-07 2016.

  • Budrionis, Andrius; Luis, Marco-ruiz; Yigzaw, Kassaye Yitbarek; Bellika, Johan Gustav. Building a Learning Healthcare System in North Norway. The 14th Scandinavian Conference on Health Informatics 2016 2016-04-06 - 2016-04-07 2016.

  • Bellika, Johan Gustav; Marco, Lluis; Wynn, Rolf. A communicable disease query engine. Studies in Health Technology and Informatics 2015; Volum 210. ISSN 0926-9630.s 1012 - 1012.s doi: 10.3233/978-1-61499-512-8-1012.

  • Laukli, Randi; Bellika, Johan Gustav. Regner ut hvorfor du er syk. (Fulltekst: https://forskning.no/sykdommer-epidemier-informasjonsteknologi/regner-ut-hvorfor-du-er-syk/505691 2015.

  • Marco Ruiz, Luis; Bellika, Johan Gustav. Semantic interoperability in clinical decision support systems: a systematic review. Studies in Health Technology and Informatics 2015; Volum 216. ISSN 0926-9630.s 958 - 958.s doi: 10.3233/978-1-61499-564-7-958.

  • Marco Ruiz, Luis; Pazos, Pablo; Atalag, Koray; Yigzaw, Kassaye Yitbarek; Bellika, Johan Gustav. Enabling Clinical Data Reuse with openEHR Data Warehouse Environments. Medinfo 2015 2015-08-19 - 2015-08-23 2015.

  • Marco Ruiz, Luis; Bellika, Johan Gustav. Semantic Interoperability in Clinical Decision Support Systems: A Systematic Review.. Medinfo 2015 2015-08-19 - 2015-08-19 2015.

  • Hailemichael, Meskerem Asfaw; Yigzaw, Kassaye Yitbarek; Bellika, Johan Gustav. Emnet: a tool for privacy-preserving statistical computing on distributed health data. The 13th Scandinavian Conference on Health Informatics (Fulltekst: http://www.ep.liu.se/ecp/115/006/ecp15115006.pdf 2015-06-15 - 2015-06-17 2015.

  • Budrionis, Andrius; Hartvigsen, Gunnar; Bellika, Johan Gustav. Camera Movement during Telementoring and Laparoscopic Surgery: Challenges and Innovative Solutions. SHI 2015 - the 13th Scandinavian Conference on Health Informatics 2015-06-15 - 2015-06-17 2015.

  • Budrionis, Andrius; Hartvigsen, Gunnar; Bellika, Johan Gustav. Are Mobile Devices Ready for Telementoring? A Protocol Design for Randomized Controlled Trials. eTELEMED 2014 : The Sixth International Conference on eHealth, Telemedicine, and Social Medicine 2014-03-23 - 2014-03-27 2014.

  • Marco Ruiz, Luis; Maldonado, J.A.; Traver, Vicente; Karlsen, Randi; Bellika, Johan Gustav. Meta-architecture for the interoperability and knowledge management of archetype-based clinical decision support systems. International Conference on Biomedical and Health Informatics (BHI), 2014 IEEE-EMBS 2014-06-01 - 2014-06-04 2014.

  • Yigzaw, Kassaye Yitbarek; Bellika, Johan Gustav. A communicable disease prediction benchmarking platform. Biomedical and Health Informatics (BHI), 2014 IEEE-EMBS International Conference 2014-06-01 - 2014-06-04 2014.

  • Marco- Ruiz, Louis; Bellika, Johan Gustav. Meta-architecture for the interoperability and knowledge management of archetype-based clinical decision support systems. 2014.

  • Yigzaw, Kassaye Yitbarek; Bellika, Johan Gustav. Evaluation of secure multi-party computation for reuse of distributed electronic health data. Biomedical and Health Informatics (BHI), 2014 IEEE-EMBS International Conference on 2014-06-01 - 2014-06-04 2014.

  • Budrionis, Andrius; Augestad, Knut Magne; Patel, Hitendra R.H.; Bellika, Johan Gustav. An Evaluation Framework for Defining the Contributions of Telestration in Surgical Telementoring. Medicine 2.0 Congress 2013-09-23 - 2013-09-24 2013.

  • Yigzaw, Kassaye Yitbarek; Andersen, A; Hartvigsen, Gunnar; Bellika, Johan Gustav. Towards privacy preserving comparative effectiveness research. Helseinformatikkuka i Trondheim 2013-09-17 - 2013-09-19 2013.

  • Bellika, Johan Gustav; Yigzaw, Kassaye Yitbarek; Henriksen, Torje Starbo; Ilebrekke, Lars; Skrøvseth, Stein Olav; Bakkevoll, Per Atle; Bønes, Erlend; Leer, Eirik; Johansen, Monika Alise; Chomutare, Taridzo; Simonsen, Gunnar Skov; Geilhufe, Marc; Berntsen, Gro; Gjelstad, Stein Are; Hartvigsen, Gunnar; Godtliebsen, Fred. The Snow system – a distributed medical data processing system. Helseinformatikkuka i Trondheim 2013-09-17 - 2013-09-19 2013.

  • Budrionis, Andrius; Augestad, Knut Magne; Bellika, Johan Gustav. Mobile Medical Mentor (M3). Helseinformatikkuka i Trondheim 2013-09-17 - 2013-09-19 2013.

  • Skrøvseth, Stein Olav; Yigzaw, Kassaye Yitbarek; Henriksen, Torje Starbo; Ilebrekke, Lars; Bakkevoll, Per Atle; Simonsen, Gunnar Skov; Gutteberg, Tore Jarl; Bellika, Johan Gustav. The Snow communicable disease outbreak detection approach. Helseinformatikkuka i Trondheim 2013-09-17 - 2013-09-19 2013.

  • Yigzaw, Kassaye Yitbarek; Gutteberg, Tore Jarl; Bellika, Johan Gustav. The Snow infectious disease forecast service. Helseinformatikkuka i Trondheim 2013-09-17 - 2013-09-19 2013.

  • Yigzaw, Kassaye Yitbarek; Bellika, Johan Gustav; Andersen, Anders; Hartvigsen, Gunnar; Fernandez-Llatas, Carlos. Towards Privacy-Preserving Computing on Distributed Electronic Health Record Data. Middleware '13 14th International Middleware Conference 2013-12-09 - 2013-12-13 2013.

  • Hanssen, Kine; Bellika, Johan Gustav. Vil at du skal gå mindre til legen. (Fulltekst: http://www.itromso.no/nyheter/article8039949.ece 2013.

  • Solheim, Hilde; Bellika, Johan Gustav. Viser smittefare nær deg. (Fulltekst: http://www.aftenposten.no/nyheter/iriks/Viser-smittefare-nar-deg-7230341.html#.Ufpoem0ddVV (Prosjekt: https://www.erdusyk.no) 2013.

  • Sjøveian, Anja Lisbeth Laitinen; Bellika, Johan Gustav; Hartvigsen, Gunnar. A web/mobile app for internet based survey of gastrointestinal and respiratory symptoms. 2012.

  • Yigzaw, Kassaye Yitbarek; Bellika, Johan Gustav; Hartvigsen, Gunnar; Geilhufe, Marc. Snow Integrated Communicable Disease Prediction Service. 2012.

  • Gebeyehu, Leykun Melkamu; Bellika, Johan Gustav. Enabling medical research on clinically collected data using openEHR archetypes. 2012.

  • Skrøvseth, Stein Olav; Geilhufe, Marc; Yigzaw, Kassaye Yitbarek; Simonsen, Gunnar Skov; Bellika, Johan Gustav; Godtliebsen, Fred. Modeling the spread of infectious diseases by Gaussian Markov Random Fields as a tool for medical decision making. 14th biennial SMDM European meeting 2012-06-10 - 2012-06-12 2012.

  • Geilhufe, Marc; Skrøvseth, Stein Olav; Sørbye, Sigrunn Holbek; Yigzaw, Kassaye Yitbarek; Bellika, Johan Gustav; Godtliebsen, Fred. Spatio-temporal modeling of communicable diseases: A case study of North Norway. The Second Workshop on Bayesian Inference for Latent Gaussian Models with Applications 2012-05-30 - 2012-06-01 2012.

  • Lauritzen, Jonas Nørgaard; Årsand, Eirik; Horsch, Alexander; Fernandez-Luque, Luis; Chomutare, Taridzo Fred; Bellika, Johan Gustav; Hejlesen, Ole Kristian; Hartvigsen, Gunnar. Social Media and Games as Self-Management Tools for Children and Adolescents with Type 1 Diabetes Mellitus. HEALTHINF 2012 – International Confernece on Health Informatics 2012-02-01 - 2012-02-04 2012.

  • Bellika, Johan Gustav; Gustad, Ragnhild. Se hvilke sykdommer som herjer i nabolaget. 2012.

  • Lauritzen, Jonas Nørgaard; Årsand, Eirik; Horsch, Alexander; Fernandez-Luque, Luis; Bellika, Johan Gustav; Hejlesen, Ole; Hartvigsen, Gunnar. Exploring the use of Educational Video Games as Self-Management Tools for Children and Adolescents with Type 1 Diabetes Mellitus. 9th Scandinavian Conference on Health Informatics 2011-08-30 - 2011-08-30 2011.

  • Lauritzen, Jonas Nørgaard; Årsand, Eirik; Van Vuurden, Klaske; Bellika, Johan Gustav; Hejlesen, Ole Kristian; Hartvigsen, Gunnar. Towards a mobile solution for predicting illness in Type 1 Diabetes Mellitus: Development of a prediction model for detecting risk of illness in Type 1 Diabetes prior to symptom onset. Towards a mobile solution for predicting illness in Type 1 Diabetes Mellitus: Development of a prediction model for detecting risk of illness in Type 1 Diabetes prior to symptom onset 2011-02-28 - 2011-03-03 2011.

  • Simonsen, Gunnar Skov; Chomutare, Taridzo; Ilebrekke, Lars; Bakkevoll, Per Atle; Sjøveian, Anja; Bellika, Johan Gustav. Real-time local epidemiological data through the internet as a management tool for infections in the community. 21st European Congress of Clinical Microbiology and Infectious Diseases (ECCMID) 2011-05-07 - 2011-05-10 2011.

  • Rygh, Ellen; Berntsen, Gro; Simonsen, Gunnar Skov; Bellika, Johan Gustav. The Snow disease surveillance system study. 7th Nordic Congress of General Practice 2011-06-14 - 2011-06-17 2011.

  • Bellika, Johan Gustav; Berntsen, Gro; Simonsen, Gunnar Skov; Rygh, Ellen. Do GPs need online access to epidemiological data of communicable diseases from the local patient population?. 17th Nordic Congress of General Practice 2011-06-14 - 2011-06-17 2011.

  • Bellika, Johan Gustav; Vognild, Lars Kristian; Traver, Vicente; Aguilar, Julian Guirao. Breathing as user interface for pulmonary rehabilitation - Respiration tracking using the Wii remote controller. 2010.

  • Johansen, Monika Alise; Johnsen, Jan Are Kolset; Shrestha, Neema; Bellika, Johan Gustav. Symptoms from patients as the primary information source for real-time surveillance. Medinfo 2010 - 13th World Congress on Medical and Health Informatics 2010-09-12 - 2010-09-15 2010.

  • Lauritzen, Jonas Nørgaard; Årsand, Eirik; Bellika, Johan Gustav; Van Vuurden, Klaske; Hejlesen, Ole; Hartvigsen, Gunnar. Exploring illness prediction in Type 1 Diabetes Mellitus pre-symptom onset. International Society for Disease Surveillance: 9th Annual Conference 2010-12-01 - 2010-12-02 2010.

  • Guirao Aguilar, Julian; Traver Salcedo, Vincente; Bellika, Johan Gustav; Fernandez Luque, Luis. "La respiración como interfaz de usuario para programas de rehabilitación pulmonar: adquiriendo senales respiratorias con el mando de la Wii" [Respiration as user interface for pulmonary rehabilitation: acquisition of breathing signals with the Wii Remote]. CASEIB 2010 2010-11-24 - 2010-11-26 2010.

  • Botsis, Taxiarchis; Walderhaug, Ståle; Dias, Andrê Fernando; Van Vuurden, Klaske; Bellika, Johan Gustav; Hartvigsen, Gunnar. Point-of-care devices for healthy consumers - a feasibility study. Journal of Telemedicine and Telecare 2009; Volum 15 (8). ISSN 1357-633X.s 419 - 420.s doi: 10.1258/jtt.2009.090510.

  • Orlin, Karsten; Bellika, Johan Gustav. Improving the performance of the in-band byte stream file transfer XMPP extension. 2009.

  • Dhakal, Sanjaya Babu; Bellika, Johan Gustav. Interactive Disease Maps for the Snow Agent System. 2009.

  • Bellika, Johan Gustav; Ilebrekke, Lars; Bakkevoll, Per Atle; Johansen, Håvard; Scholl, Jeremiah; Johansen, Monika Alise. Authentication and encryption in the Snow Disease Surveillance Network. Medical Informatics in a United and Healty Europe 2009-08-30 - 2009-09-02 2009.

  • Henriksen, Eva; Johansen, Monika Alise; Baardsgaard, Anders; Bellika, Johan Gustav. Threats to Information Security of Real-Time Disease Surveillance Systems. Medical Informatics in a United and Healty Europe 2009-08-30 - 2009-09-02 2009.

  • Johansen, Monika Alise; Johnsen, Jan Are Kolset; Hartvigsen, Gunnar; Ellingsen, Gunnar; Bellika, Johan Gustav. Bridging the Gap between Patients' Expectations and General Practitioners' Knowledge through Disease Surveillance. Medical Informatics in a United and Healty Europe (MIE 2009) 2009-08-30 - 2009-09-02 2009.

  • Botsis, Taxiarchis; Bellika, Johan Gustav; Hartvigsen, Gunnar. New Directions in Electronic Disease Surveillance: Detection of Infectious Diseases during the Incubation Period. International Conference on eHealth, Telemedicine, and Social Medicine 2009-02-01 - 2009-02-07 2009.

  • Botsis, Taxiarchis; Hejlesen, Ole; Bellika, Johan Gustav; Hartvigsen, Gunnar. Disease surveillance systems for diabetics. Telemedicine journal and e-health 2008; Volum 14. ISSN 1530-5627.s 108 - 108.

  • Johansen, Monika Alise; Scholl, Jeremiah; Aronsen, Gudleif; Hartvigsen, Gunnar; Bellika, Johan Gustav. An Exploratory Study of Disease Surveillance System in Norway. 2008.

  • Van Vuurden, Klaske; Hartvigsen, Gunnar; Bellika, Johan Gustav; Botsis, Taxiarchis. Models for Automatic Detection of Infectious Diseases at an Early Stage in Disease Progression. 2008.

  • Andreassen, Kristian Martin; Bellika, Johan Gustav. THE RELIABILITY OF XMPP FOR FILE TRANSFER. 2008.

  • Bellika, Johan Gustav. The Snow system: a ubiquitous health surveillance system. The EFMI Special Topic Conference 2008-09-09 - 2008-09-11 2008.

  • Bellika, Johan Gustav; Johansen, Monika Alise; Hasvold, Per Erlend; Nystad, Johanna; Bakkevoll, Per Atle; Hartvigsen, Gunnar. Eight Challenges for Developing Telemedicine Applications. ICICTH 2008 2008-07-11 - 2008-07-13 2008.

  • Van Vuurden, Klaske; Hartvigsen, Gunnar; Bellika, Johan Gustav; Botsis, Taxiarchis. Models for Automatic Detection of Infectious Diseases at an Early Stage in Disease Progression. Tromsø Telemedicine and e-Health Conference (TTeC 08) 2008-06-09 - 2008-06-11 2008.

  • Johansen, Monika Alise; Scholl, Jeremiah; Aronsen, Gudleif; Hartvigsen, Gunnar; Bellika, Johan Gustav. An Exploratory Study of Disease Surveillance Systems in Norway. Tromsø Telemedicine and e-Health Conference (TTeC 08) 2008-06-09 - 2008-06-11 2008.

  • Johansen, Monika Alise; Scholl, Jeremiah; Hasvold, Per Erlend; Ellingsen, Gunnar; Bellika, Johan Gustav. “Garbage In, Garbage Out”- Extracting Disease Surveillance Data from EPR Systems in Primary Care. To appear in Proc. ACM conference on Computer Support Cooperative Work 2008-11-08 - 2008.

  • Andreassen, Kristian Martin; Bellika, Johan Gustav. THE RELIABILITY OF THE XMPP PROTOCOL EXTENSIONS AS FILE TRANSFER MECHANISM IN DEDICATED HEALTHCARE NETWORKS. ICICTH 2008 2008-07-11 - 2008-07-13 2008.

  • Botsis, Taxiarchis; Hejlesen, Ole; Bellika, Johan Gustav; Hartvigsen, Gunnar. Electronic Disease Surveillance for Sensitive Population Groups - The Diabetics Case Study. 21st International Congress of the European Federation for Medical Informatics 2008-05-25 - 2008-05-28 2008.

  • van Vuurden, Klaske; Hartvigsen, Gunnar; Bellika, Johan Gustav. Disease outbreak detection through clique covering on a weighted ICPC-coded graph. 21st International Congress of the European Federation for Medical Informatics 2008-05-25 - 2008-05-28 2008.

  • Johansen, Monika Alise; Scholl, Jeremiah; Aronsen, Gudleif; Hartvigsen, Gunnar; Bellika, Johan Gustav. A Qualitative Study of Current and Future Systems for Disease Surveillance. The 21st International Congress of the European Federation for Medical Informatics (MIE) 2008-05-25 - 2008-05-28 2008.

  • Botsis, Taxiarchis; Hejlesen, Ole; Bellika, Johan Gustav; Hartvigsen, Gunnar. Electronic infectious disease surveillance systems for diabetics. 1st International Conference on Advanced Technologies & Treatments for Diabetes 2008-02-27 - 2008-03-01 2008.

  • Bellika, Johan Gustav. Electronic health surveillance: from John Snow to a networked health information system. Keynote at The Scandinavian Health Informatics and Terminology Conference 2008 2008-08-26 - 2008-08-28 2008.

  • Botsis, Taxiarchis; Bellika, Johan Gustav; Hartvigsen, Gunnar. Disease surveillance for sensitive populations. 2007.

  • Botsis, Taxiarchis; Hejlesen, Ole; Bellika, Johan Gustav; Hartvigsen, Gunnar. Blood glucose levels as a censor for the early detection of infection in type-1 diabetics. 2007.

  • Bellika, Johan Gustav; Aronsen, Gudleif; Johansen, Monika Alise; Hartvigsen, Gunnar; Simonsen, Gunnar Skov. The Snow Agent System: A peer-to-peer system for disease surveillance and diagnostic assistance. 2007.

  • Johansen, Monika Alise; Aronsen, Gudleif; Hartvigsen, Gunnar; Bellika, Johan Gustav. What do GPs want in return from a Syndromic Surveillance system?. 2007.

  • Hartvigsen, Gunnar; Bellika, Johan Gustav; Baardsgaard, Anders. The Scandinavian Health Network: Connecting the Scandinavian countries` health networks. 2007.

  • Aronsen, Gudleif; Bellika, Johan Gustav; Hartvigsen, Gunnar; Simonsen, Gunnar Skov. Visualization of contagious disease outbreak information for primary care physicians. 2007.

  • Bellika, Johan Gustav; Aronsen, Gudleif; Johansen, Monika Alise; Hartvigsen, Gunnar; Simonsen, Gunnar Skov. The Snow Agent System: A peer-to-peer system for disease surveillance and diagnostic assistance. International Society for Disease Surveillance: Sixth Annual Conference 2007-10-11 - 2007-10-12 2007.

  • Granberg, Ove; Bellika, Johan Gustav; Årsand, Eirik; Hartvigsen, Gunnar. Automatic Infection Detection System. MEDINFO 2007 2007-08-20 - 2007-08-24 2007.

  • Hartvigsen, Gunnar; Johansen, Monika Alise; Hasvold, Per Erlend; Bellika, Johan Gustav; Årsand, Eirik; Arild, Eli; Gammon, Deede; Pettersen, Sture; Pedersen, Steinar. Challenges in Telemedicine and eHealth: Lessons Learned from 20 Years with Telemedicine in Tromsø. MEDINFO 2007 2007-08-20 - 2007-08-24 2007.

  • Botsis, Taxiarchis; Hejlesen, Ole; Bellika, Johan Gustav; Hartvigsen, Gunnar. Blood glucose levels as a censor for the early detection of infection in type-1 diabetics. International Society for Disease Surveillance: Sixth Annual Conference 2007-10-11 - 2007-10-12 2007.

  • Johansen, Monika Alise; Aronsen, Gudleif; Hartvigsen, Gunnar; Bellika, Johan Gustav. What do GPs want in return from a Syndromic Surveillance system?. International Society for Disease Surveillance: Sixth Annual Conference 2007-10-11 - 2007-10-12 2007.

  • Botsis, Taxiarchis; Hartvigsen, Gunnar; Bellika, Johan Gustav. Disease surveillance for sensitive populations. International Society for Disease Surveillance: Sixth Annual Conference 2007-10-11 - 2007-10-12 2007.

  • Henriksen, June Ingeborg; Hartvigsen, Gunnar; Bellika, Johan Gustav. An Open Source PACS study. 2006.

  • Hartvigsen, Gunnar; Bellika, Johan Gustav; Granberg, Ove. The Infectious Health Analysis (IHAS) system. 2006.

  • Bellika, Johan Gustav; Hartvigsen, Gunnar; Hasvold, Toralf. The Snow Agent System - A mobile agent system platform for extending electronic health record systems with clinical decision support modules. 2006 ISBN 82-92461-62-0.

  • Olsen, Bernt Ivar; Eggen, Anne Elise; Bellika, Johan Gustav; Angermo, Per; Weij, Molly van der; Hartvigsen, Gunnar. Automatic Monitoring and Control of Medication. 1st Tromsø Telemedicine Conference (TTC2003) / 8th International Conference on the Medical Aspects of Telemedicine 2003-09-15 - 2003-09-17 2003.

  • Bellika, Johan Gustav; Andreassen, Hege Kristin; Bergmo, Trine Strand; Christiansen, Ellen K; Hartvigsen, Gunnar; Hartviksen, Gjermund; Hasvold, Per Erlend; Hasvold, Toralf; Henriksen, Eva; Krystad, Marit; Kummervold, Per Egil; Larsen, Eli; Larsen, Frank Atle; Loftesnes, Leif Erik; Nohr, Leif Erik; Nystadnes, Torbjørn; Rinde, Eivind; Rotvold, Gunn-Hilde; Skipenes, Eva; Strandenæs, Thomas. Nettbasert pasientinformasjonssystem. Hovedrapport fra Elviraprosjektet. 2001.

  • Bellika, Johan Gustav; Hartvigsen, Gunnar; Hasvold, Per Erlend. Scenario 2002. Norsk Telemed '99. 1999-10-13 - 2000-03-13 1999.

  • Ekeland, Anne G.; Arild, Eli; Bellika, Johan Gustav. Evaluering av telemedisinske tjenester. Teledermatologi - brukererfaringer. NST rapport. 1999.

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