Published on in Vol 23, No 8 (2021): August
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/30715, first published
.
1 School of Journalism and Communication, Tsinghua University, Beijing, China
2 The Faculty of International Media, Communication University of China, Beijing, China
3 Institute of Communication Studies, Communication University of China, Beijing, China
*these authors contributed equally