About the Authors

Huijing He

Affiliation The National Center for AIDS/STD Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China

Fan Lv

fanlv@chinaaids.cn

Affiliation The National Center for AIDS/STD Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China

Nanci Nanyi Zhang

Affiliation The National Center for AIDS/STD Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China

Zunyou Wu

Affiliation The National Center for AIDS/STD Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China

Qinghua Liao

Affiliation Jiangxi Provincial Center for Disease Control and Prevention, Nanchang, Jiangxi Province, China

Zhanjun Chang

Affiliation Zhengzhou Center for Disease Control and Prevention, Zhengzhou, Henan Province, China

Yi Li

Affiliation Heilongjiang Provincial Center for Disease Control and Prevention, Harbin, Heilongjiang Province, China

Huifang Xu

Affiliation Guangzhou Center for Disease Control and Prevention, Guangzhou, Guangdong Province, China

Lin OuYang

Affiliation Chongqing Center for Disease Control and Prevention, Chongqing, China

Xiping Huan

Affiliation Jiangsu Provincial Center for Disease Control and Prevention, Nanjing, Jiangsu Province, China

Juan Yang

Affiliation The National Center for AIDS/STD Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: FL HH. Data curation: HH FL. Formal analysis: HH NZ. Funding acquisition: FL ZW. Investigation: HH FL QL ZC HX YL LOY XH JY. Methodology: FL ZW HH. Project administration: FL. Resources: ZW QL ZC HX YL LOY XH JY. Software: HH. Supervision: FL. Validation: FL ZW NZ. Visualization: HH NZ FL ZW. Writing – original draft: HH. Writing – review & editing: FL NZ ZW.