About the Authors

Zhenxin Dong

Contributed equally to this work with: Zhenxin Dong, Jie Xu

Affiliation School of Public Health, Anhui Medical University, Hefei, Anhui Province, China

Jie Xu

Contributed equally to this work with: Zhenxin Dong, Jie Xu

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

Hongbo Zhang

zhhongbo62@163.com (HBZ); wuzy@263.net (ZYW)

Affiliation School of Public Health, Anhui Medical University, Hefei, Anhui Province, China

Zhi Dou

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

Guodong Mi

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

Yuhua Ruan

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

Limei Shen

Affiliation Guizhou Provincial Center for Disease Control and Prevention, Guizhou, China

Xiangdong Min

Affiliation Yunnan Provincial Center for Disease Control and Prevention, Yunnan, China

Guanghua Lan

Affiliation Guangxi Provincial Center for Disease Control and Prevention, Guangxi, China

Fan Li

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

Tian Li

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

Zhen Ning

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

Guohui Wu

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

Min She

Affiliation School of Public Health, Anhui Medical University, Hefei, Anhui Province, China

Zunyou Wu

zhhongbo62@163.com (HBZ); wuzy@263.net (ZYW)

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

for the China National HIV Prevention Study Group

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HBZ ZYW. Performed the experiments: JX ZD GDM YHR LMS XDM GHL FL TL ZN GHW. Analyzed the data: ZXD HBZ MS. Wrote the paper: ZXD.