Published on in Vol 8, No 9 (2021): September
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/25782, first published
.
1 University of California, Los Angeles, Los Angeles, CA, United States
2 University of Southern California, Los Angeles, CA, United States
3 School of Communication, Northwestern University, Evanston, IL, United States