Published on in Vol 21, No 10 (2019): October
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/15720, first published
.
1 Computational Communication Collaboratory, School of Journalism and Communication, Nanjing University, Nanjing, China
2 Department of Communication, Faculty of Social Sciences, University of Macau, Macau, China