Published on in Vol 22, No 12 (2020): December
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/19238, first published
.

1 University of California, San Francisco , San Francisco, CA, US
2 Oregon Health and Science University , Portland, OR, US
3 Vagelos College of Physicians and Surgeons, Columbia University , New York, NY, US
4 Movember Foundation , Culver City, CA, US
5 University of Colorado , Aurora, CO, US
6 Boston College , Boston, MA, US
*these authors contributed equally