Published on in Vol 22, No 11 (2020): November
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/20009, first published
.
1 Department of Psychiatry and Behavioral Sciences, University of California San Francisco, San Francisco, CA, United States
2 Stanford Prevention Research Center, Department of Medicine, Stanford University, Stanford, CA, United States
3 Department of Mental Health, Johns Hopkins School of Public Health, Baltimore, MD, United States