About the Authors

Huimin Xu

Roles Data curation, Investigation, Methodology, Visualization, Writing – original draft

Affiliation School of Journalism and Communication, Nanjing University, Nanjing, China

Zhang Zhang

Roles Data curation, Investigation, Visualization, Writing – original draft

Affiliation School of Systems Science, Beijing Normal University, Beijing, China

Lingfei Wu

Contributed equally to this work with: Lingfei Wu, Cheng-Jun Wang

Roles Conceptualization, Investigation, Methodology, Visualization, Writing – original draft

wlf850927@gmail.com (LW); wangchj04@126.com (CW)

Affiliation School of Computing and Information, University of Pittsburgh, Pittsburgh, PA, United States of America

Cheng-Jun Wang

Contributed equally to this work with: Lingfei Wu, Cheng-Jun Wang

Roles Conceptualization, Data curation, Funding acquisition, Resources, Writing – original draft

wlf850927@gmail.com (LW); wangchj04@126.com (CW)

Affiliation School of Journalism and Communication, Nanjing University, Nanjing, China

Competing Interests

The authors have declared that no competing interests exist.