Published on in Vol 7, No 11 (2019): November
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/15122, first published
.
1 SSK Research Center for Mental Health and Communal Society, Kwangwoon University, Seoul, Republic of Korea
2 Division of General Medicine and Clinical Epidemiology, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States