Published on in Vol 22, No 6 (2020): June
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/19782, first published
.
1 College of Media and International Culture, Zhejiang University, Hangzhou, China
2 Department of Communication, University of California at Davis, Davis, CA, United States
3 School of Journalism and Communication, Renmin University of China, Beijing, China