Published on in Vol 6, No 2 (2020): Apr-Jun
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/19043, first published
.
1 Rollins School of Public Health at Emory University, Atlanta, GA, United States
2 Emory University School of Medicine, Atlanta, GA, United States
3 JMIR Public Health and Surveillance, JMIR Publications, Atlanta, GA, United States