Published on in Vol 23, No 4 (2021): April
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/24179, first published
.

1 Department of Medicine, University of Pennsylvania , Philadelphia, PA, US
2 Department of Medicine, Carney Hospital , Boston, MA, US
3 Department of Family and Community Medicine, University of Toronto , Toronto, ON, CA
4 Department of Radiology, Emory University , Atlanta, GA, US
*all authors contributed equally