About the Authors

Li Zhang

Contributed equally to this work with: Li Zhang, Shu Liang, Weixia Lu

Affiliation Beijing Centers for Disease Control and Prevention, Beijing, China

Shu Liang

Contributed equally to this work with: Li Zhang, Shu Liang, Weixia Lu

Affiliation Sichuan Provincial Center for Disease Control and Prevention, Chengdu, Sichuan, China

Weixia Lu

Contributed equally to this work with: Li Zhang, Shu Liang, Weixia Lu

Affiliation State Key Laboratory for Infectious Disease Prevention and Control, National Center for AIDS/STD Control and Prevention, Chinese Center for Disease Control and Prevention, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Beijing, China

Stephen W. Pan

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

Benli Song

Affiliation Xichang Center for STD and Leprosy Control, Xichang City, Sichuan, China

Qianping Liu

Affiliation Xichang Center for STD and Leprosy Control, Xichang City, Sichuan, China

Yunan Xu

Affiliation State Key Laboratory for Infectious Disease Prevention and Control, National Center for AIDS/STD Control and Prevention, Chinese Center for Disease Control and Prevention, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Beijing, China

Hui Dong

Affiliation Beijing Youth Politics College, Beijing, China

Hui Xing

Affiliation State Key Laboratory for Infectious Disease Prevention and Control, National Center for AIDS/STD Control and Prevention, Chinese Center for Disease Control and Prevention, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Beijing, China

Yiming Shao

Affiliation State Key Laboratory for Infectious Disease Prevention and Control, National Center for AIDS/STD Control and Prevention, Chinese Center for Disease Control and Prevention, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Beijing, China

Yuhua Ruan

ruanyuhua92@gmail.com

Affiliation State Key Laboratory for Infectious Disease Prevention and Control, National Center for AIDS/STD Control and Prevention, Chinese Center for Disease Control and Prevention, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Beijing, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YHR YMS. Performed the experiments: LZ SL WXL BLS QPL HX YHR. Analyzed the data: LZ WXL YNX. Contributed reagents/materials/analysis tools: SL HX SWP HD. Wrote the paper: LZ SL HX YHR SWP.