About the Authors

Zhongwei Jia

Contributed equally to this work with: Zhongwei Jia, Lu Wang

Affiliations National Institute on Drug Dependence, Peking University, Beijing, China, National Center for AIDS/STD Control and Prevention, China CDC, Beijing, China

Lu Wang

Contributed equally to this work with: Zhongwei Jia, Lu Wang

Affiliation National Center for AIDS/STD Control and Prevention, China CDC, Beijing, China

Ray Y. Chen

Affiliation National Institute of Allergy and Infectious Diseases, U.S. National Institutes of Health, based at the U.S. Embassy, Beijing, China

Dongmin Li

Affiliation National Center for AIDS/STD Control and Prevention, China CDC, Beijing, China

Lan Wang

Affiliation National Center for AIDS/STD Control and Prevention, China CDC, Beijing, China

Qianqian Qin

Affiliation National Center for AIDS/STD Control and Prevention, China CDC, Beijing, China

Zhengwei Ding

Affiliation National Center for AIDS/STD Control and Prevention, China CDC, Beijing, China

Guowei Ding

Affiliation National Center for AIDS/STD Control and Prevention, China CDC, Beijing, China

Chunpeng Zang

Affiliation National Center for AIDS/STD Control and Prevention, China CDC, Beijing, China

Ning Wang

wangnbj@163.com

Affiliation National Center for AIDS/STD 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: ZJ NW. Performed the experiments: ZJ Lu Wang NW. Analyzed the data: ZJ Lu Wang NW RC ZD GD QQ Lan Wang CZ DL. Contributed reagents/materials/analysis tools: ZJ NW. Wrote the paper: ZJ NW RC.