Published on in Vol 6, No 11 (2018): November
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/12261, first published
.
1 Department of Medicine, Division of Epidemiology, Vanderbilt University Medical Center, Nashville, TN, United States
2 Leighton School of Nursing, Marian University, Nashville, TN, United States
3 Department of Epidemiology, School of Public Health, University of Alabama at Birmingham, Birmingham, AL, United States