Published on in Vol 22, No 6 (2020): June
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/16887, first published
.
1 Dell Medical School, The University of Texas at Austin, Austin, TX, United States
2 University of Colorado at Denver, Anshutz Medical Campus, Aurora, CO, United States
*all authors contributed equally