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mHealth Support to Stimulate Physical Activity in Individuals With Intellectual Disability: Protocol for a Mixed Methods Pilot Study

Henriette Michalsen, Silje C Wangberg, Gunnar Hartvigsen, André Henriksen, Gunn Pettersen, Letizia Jaccheri, Reidun Birgitta Jahnsen, Gyrd Thrane, Cathrine Arntzen, Audny Anke

JMIR Res Protoc 2022;11(9):e37849

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Polar Vantage and Oura Physical Activity and Sleep Trackers: Validation and Comparison Study

André Henriksen, Frode Svartdal, Sameline Grimsgaard, Gunnar Hartvigsen, Laila Arnesdatter Hopstock

JMIR Form Res 2022;6(5):e27248

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Consumer-Based Activity Trackers as a Tool for Physical Activity Monitoring in Epidemiological Studies During the COVID-19 Pandemic: Development and Usability Study

André Henriksen, Erlend Johannessen, Gunnar Hartvigsen, Sameline Grimsgaard, Laila Arnesdatter Hopstock

JMIR Public Health Surveill 2021;7(4):e23806

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A Novel Approach for Continuous Health Status Monitoring and Automatic Detection of Infection Incidences in People With Type 1 Diabetes Using Machine Learning Algorithms (Part 2): A Personalized Digital Infectious Disease Detection Mechanism

Ashenafi Zebene Woldaregay, Ilkka Kalervo Launonen, David Albers, Jorge Igual, Eirik Årsand, Gunnar Hartvigsen

J Med Internet Res 2020;22(8):e18912

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Toward Detecting Infection Incidence in People With Type 1 Diabetes Using Self-Recorded Data (Part 1): A Novel Framework for a Personalized Digital Infectious Disease Detection System

Ashenafi Zebene Woldaregay, Ilkka Kalervo Launonen, Eirik Årsand, David Albers, Anna Holubová, Gunnar Hartvigsen

J Med Internet Res 2020;22(8):e18911

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Physical Activity With Tailored mHealth Support for Individuals With Intellectual Disabilities: Protocol for a Randomized Controlled Trial

Henriette Michalsen, Silje Camilla Wangberg, Gunnar Hartvigsen, Letizia Jaccheri, Miroslav Muzny, André Henriksen, Monica Isabel Olsen, Gyrd Thrane, Reidun Birgitta Jahnsen, Gunn Pettersen, Cathrine Arntzen, Audny Anke

JMIR Res Protoc 2020;9(6):e19213

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Cluster Detection Mechanisms for Syndromic Surveillance Systems: Systematic Review and Framework Development

Prosper Kandabongee Yeng, Ashenafi Zebene Woldaregay, Terje Solvoll, Gunnar Hartvigsen

JMIR Public Health Surveill 2020;6(2):e11512

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Factors Influencing Motivation and Engagement in Mobile Health Among Patients With Sickle Cell Disease in Low-Prevalence, High-Income Countries: Qualitative Exploration of Patient Requirements

David-Zacharie Issom, André Henriksen, Ashenafi Zebene Woldaregay, Jessica Rochat, Christian Lovis, Gunnar Hartvigsen

JMIR Hum Factors 2020;7(1):e14599

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Measuring the Effects of Sharing Mobile Health Data During Diabetes Consultations: Protocol for a Mixed Method Study

Meghan Bradway, Alain Giordanengo, Ragnar Joakimsen, Anne Helen Hansen, Astrid Grøttland, Gunnar Hartvigsen, Pietro Randine, Eirik Årsand

JMIR Res Protoc 2020;9(2):e16657

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Validity of the Polar M430 Activity Monitor in Free-Living Conditions: Validation Study

André Henriksen, Sameline Grimsgaard, Alexander Horsch, Gunnar Hartvigsen, Laila Hopstock

JMIR Form Res 2019;3(3):e14438

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