Published on in Vol 21, No 6 (2019): June
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/12709, first published
.
1 Yale School of Medicine, New Haven, CT, United States
2 Departments of Pediatrics, Biomedical Data Science, Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA, United States