Published on in Vol 22, No 6 (2020): June
This is a member publication of UC Davis - Shields Library, Davis, CA, USA
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/17365, first published
.
1 School of Journalism and Communication, Renmin University of China, Beijing, China
2 Department of Communication, University of California, Davis, Davis, CA, United States