Published on in Vol 9, No 2 (2021): February
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/24539, first published
.
1 Annenberg School for Communication, University of Pennsylvania, Philadelphia, PA, United States
2 Department of Communication, College of Social Science, Seoul National University, Seoul, Republic of Korea
*all authors contributed equally