Published on in Vol 5, No 4 (2018): Oct-Dec
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/11715, first published
.
1 Division of Digital Psychiatry, Department of Psychiatry, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, United States
2 Department of Biostatistics, Harvard TH Chan School of Public Health, Boston, MA, United States