Published on in Vol 6, No 2 (2020): Jul-Dec
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/20288, first published
.

1 Department of Internal Medicine, Louisiana State University Health Sciences Center , Shreveport, LA, US
2 Simmons Comprehensive Cancer Center, University of Texas Southwestern Medical Center , Dallas, TX, US
3 Department of Internal Medicine, University of Texas Southwestern Medical Center , Dallas, TX, US