Published on in Vol 8, No 4 (2021): Oct-Dec
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/30767, first published
.

1 Columbia Vagelos College of Physicians and Surgeons , New York, NY, US
2 University of California San Francisco , San Francisco, CA, US
*these authors contributed equally