Published on in Vol 3, No 1 (2020): Jan-Dec
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/14411, first published
.
1 Behavioral Research Program, Division of Cancer Control and Population Sciences, National Cancer Institute, Rockville, MD, United States
2 College of Public Health and Human Sciences, Oregon State University, Corvallis, OR, United States