Published on in Vol 22, No 10 (2020): October
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/23297, first published
.
1 Uniformed Services University, Bethesda, MD, United States
2 Health Services Research Program, Henry M Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, United States