About the Authors

Yunan Xu

Contributed equally to this work with: Yunan Xu, Zheng Zhang

Affiliation State Key Laboratory for Infectious Disease Prevention and Control, and National Center for AIDS/STD Control and Prevention (NCAIDS), Chinese Center for Disease Control and Prevention (China CDC), Beijing, China

Zheng Zhang

Contributed equally to this work with: Yunan Xu, Zheng Zhang

Affiliation Chaoyang Center for Disease Control and Prevention, Beijing, China

Dongliang Li

Affiliation Chaoyang Center for Disease Control and Prevention, Beijing, China

Yingjie Liu

Affiliation Chaoyang Center for Disease Control and Prevention, Beijing, China

Stephen W. Pan

Affiliation The University of British Columbia School of Population and Public Health, Vancouver, Canada

Xiao Qi

Affiliation Chaoyang Center for Disease Control and Prevention, Beijing, China

Bo Wang

Affiliation Chaoyang Center for Disease Control and Prevention, Beijing, China

Fengji Luo

Affiliation Chaoyang Center for Disease Control and Prevention, Beijing, China

Dong Xiao

Affiliation Chaoyang Chinese AIDS Volunteer Group, Beijing, China

Yiming Shao

Affiliation State Key Laboratory for Infectious Disease Prevention and Control, and National Center for AIDS/STD Control and Prevention (NCAIDS), Chinese Center for Disease Control and Prevention (China CDC), Beijing, China

Yuhua Ruan

ruanyuhua92@gmail.com

Affiliation State Key Laboratory for Infectious Disease Prevention and Control, and National Center for AIDS/STD Control and Prevention (NCAIDS), Chinese Center for Disease Control and Prevention (China CDC), Beijing, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YR. Performed the experiments: YX XQ BW DX. Analyzed the data: YX. Contributed reagents/materials/analysis tools: ZZ DL YL FL YS. Wrote the paper: YX ZZ SWP.