Published on in Vol 9, No 4 (2021): April
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/23989, first published
.
1 RAND Corporation, Santa Monica, CA, United States
2 RAND Corporation, Pittsburgh, PA, United States
3 University of Southern California, Los Angeles, CA, United States
*all authors contributed equally