Published on in Vol 10, No 9 (2021): September
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/30305, first published
.
1 Department of Mental Health, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
2 Department of Public Health, Kitasato University School of Medicine, Sagamihara, Japan