Published on in Vol 8, No 5 (2019): May
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/14382, first published
.
1 Center for Mental Health, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States
2 Leonard Davis Institute of Health Economics, University of Pennsylvania, Philadelphia, PA, United States