Published on in Vol 7, No 2 (2021): Apr-Jun
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/19079, first published
.
1 David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, United States
2 Boston Medical Center, Boston, MA, United States
*all authors contributed equally