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Pro-Anorexia and Anti-Pro-Anorexia Videos on YouTube: Sentiment Analysis of User Responses

Atte Oksanen, David Garcia, Anu Sirola, Matti Näsi, Markus Kaakinen, Teo Keipi, Pekka Räsänen

J Med Internet Res 2015;17(11):e256

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Promoting Health in Virtual Worlds: Lessons From Second Life

Reima Suomi, Matti Mäntymäki, Sari Söderlund

J Med Internet Res 2014;16(10):e229

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A Text Message–Based Intervention Targeting Alcohol Consumption Among University Students: User Satisfaction and Acceptability Study

Ulrika Müssener, Kristin Thomas, Catharina Linderoth, Matti Leijon, Marcus Bendtsen

JMIR Hum Factors 2018;5(3):e23

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Internet-Based Computer Tailored Feedback on Sunscreen Use

Hein de Vries, Matti Logister, Gertruud Krekels, Frits Klaasse, Verina Servranckx, Liesbeth van Osch

J Med Internet Res 2012;14(2):e48

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Improvement of Physical Activity by a Kiosk-based Electronic Screening and Brief Intervention in Routine Primary Health Care: Patient-Initiated Versus Staff-Referred

Matti Leijon, Daniel Arvidsson, Per Nilsen, Diana Stark Ekman, Siw Carlfjord, Agneta Andersson, Anne Lie Johansson, Preben Bendtsen

J Med Internet Res 2011;13(4):e99

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Scheduled Telephone Support for Internet Cognitive Behavioral Therapy for Depression in Patients at Risk for Dropout: Pragmatic Randomized Controlled Trial

Satu Pihlaja, Jari Lahti, Jari Olavi Lipsanen, Ville Ritola, Eero-Matti Gummerus, Jan-Henry Stenberg, Grigori Joffe

J Med Internet Res 2020;22(7):e15732

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Mobile Phone and Wearable Sensor-Based mHealth Approaches for Psychiatric Disorders and Symptoms: Systematic Review

Jussi Seppälä, Ilaria De Vita, Timo Jämsä, Jouko Miettunen, Matti Isohanni, Katya Rubinstein, Yoram Feldman, Eva Grasa, Iluminada Corripio, Jesus Berdun, Enrico D'Amico, M-RESIST Group, Maria Bulgheroni

JMIR Ment Health 2019;6(2):e9819

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Feasibility of Gamified Mobile Service Aimed at Physical Activation in Young Men: Population-Based Randomized Controlled Study (MOPO)

Anna-Maiju Leinonen, Riitta Pyky, Riikka Ahola, Maarit Kangas, Pekka Siirtola, Tim Luoto, Heidi Enwald, Tiina M Ikäheimo, Juha Röning, Sirkka Keinänen-Kiukaanniemi, Matti Mäntysaari, Raija Korpelainen, Timo Jämsä

JMIR Mhealth Uhealth 2017;5(10):e146

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Introducing a New Algorithm for Classification of Etiology in Studies on Pediatric Pneumonia: Protocol for the Trial of Respiratory Infections in Children for Enhanced Diagnostics Study

Samuel Arthur Rhedin, Annika Eklundh, Malin Ryd-Rinder, Pontus Naucler, Andreas Mårtensson, Jesper Gantelius, Ingela Zenk, Helene Andersson-Svahn, Susanna Nybond, Reza Rasti, Magnus Lindh, Maria Andersson, Ville Peltola, Matti Waris, Tobias Alfvén

JMIR Res Protoc 2019;8(4):e12705

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Long-Term Morbidity and Health After Early Menopause Due to Oophorectomy in Women at Increased Risk of Ovarian Cancer: Protocol for a Nationwide Cross-Sectional Study With Prospective Follow-Up (HARMOny Study)

Lara Terra, Maartje J Hooning, Bernadette A M Heemskerk-Gerritsen, Marc van Beurden, Jeanine E Roeters van Lennep, Helena C van Doorn, Joanne A de Hullu, Constantijne Mom, Eleonora B L van Dorst, Marian J E Mourits, Brigitte F M Slangen, Katja N Gaarenstroom, M Carola Zillikens, Tim Leiner, Lizet van der Kolk, Margriet Collee, Marijke Wevers, Margreet G E M Ausems, Klaartje van Engelen, Lieke PV Berger, Christi J van Asperen, Encarna B Gomez-Garcia, Irma van de Beek, Matti A Rookus, Michael Hauptmann, Eveline M Bleiker, Sanne B Schagen, Neil K Aaronson, Angela H E M Maas, Flora E van Leeuwen

JMIR Res Protoc 2021;10(1):e24414

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