Published on in Vol 8, No 4 (2019): April
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/12166, first published
.
1 Department of Population Health Science, John D Bower School of Population Health, University of Mississippi Medical Center, Jackson, MS, United States
2 Department of Family and Community Medicine, Baylor College of Medicine, Houston, TX, United States