Potential Benefits and Harms of a Peer Support Social Network Service on the Internet for People With Depressive Tendencies: Qualitative Content Analysis and Social Network Analysis

Yoshimitsu Takahashi   ^{1, 2 †} , MSc ;   Chiyoko Uchida   ^{3 †} , MD PhD ;   Koichi Miyaki   ^{4 †} , MD PhD ;   Michi Sakai   ^{2 †} , MPH ;   Takuro Shimbo   ^{2 †} , MD ;   Takeo Nakayama   ^{1 †} , MD PhD

¹ Department of Health Informatics, Kyoto University School of Public Health, Kyoto, Japan

² Department of Clinical Research and Informatics, Research Institute, International Medical Center of Japan, Tokyo, Japan

³ University Health Center, Ibaraki University, Ibaraki, Japan

⁴ Department of Neurology, School of Medicine, Keio University, Tokyo, Japan