About the Authors

Wei Luo

Contributed equally to this work with: Wei Luo, Hang Hong

Roles Data curation, Formal analysis, Investigation, Methodology, Writing – original draft

Affiliation National Center for AIDS/STD Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, People’s Republic of China

Hang Hong

Contributed equally to this work with: Wei Luo, Hang Hong

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

Current address: Ningbo Center for Diseases Control and Prevention, Ningbo, People’s Republic of China

Affiliation National Center for AIDS/STD Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, People’s Republic of China

Xiaofang Wang

Roles Investigation

Affiliation National Center for AIDS/STD Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, People’s Republic of China

Jennifer M. McGoogan

Roles Writing – review & editing

Affiliation National Center for AIDS/STD Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, People’s Republic of China

Keming Rou

Roles Methodology

Affiliation National Center for AIDS/STD Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, People’s Republic of China

Zunyou Wu

Roles Conceptualization, Methodology, Writing – review & editing

wuzy@263.net, wuzunyou@chinaaids.cn

Affiliations National Center for AIDS/STD Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, People’s Republic of China, Department of Epidemiology, Fielding School of Public Health, University of California, Los Angeles, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.