About the Authors

Chaomei Chen

Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Methodology, Software, Visualization, Writing – original draft, Writing – review & editing

chaomei.chen@drexel.edu

Affiliations Department of Information Science, College of Computing and Informatics, Drexel University, Philadelphia, Pennsylvania, United States of America, Department of Information Science, Yonsei University, Seoul, Republic of Korea

Min Song

Roles Conceptualization, Data curation, Formal analysis, Methodology, Writing – original draft, Writing – review & editing

Affiliation Department of Information Science, Yonsei University, Seoul, Republic of Korea

Competing Interests

The authors have declared that no competing interests exist.