About the Authors

Xiaobo Yang

Affiliation School of Public Health & Guangxi Key Laboratory Cultivation Base of AIDS Prevention and Treatment, Guangxi Medical University, Guangxi, China

Abu S. Abdullah

Affiliations School of Public Health & Guangxi Key Laboratory Cultivation Base of AIDS Prevention and Treatment, Guangxi Medical University, Guangxi, China, Department of Epidemiology, Robert Stempel School of Public Health, Florida International University, Miami, Florida, United States of America

Bo Wei

Affiliation School of Public Health & Guangxi Key Laboratory Cultivation Base of AIDS Prevention and Treatment, Guangxi Medical University, Guangxi, China

Junjun Jiang

Affiliation School of Public Health & Guangxi Key Laboratory Cultivation Base of AIDS Prevention and Treatment, Guangxi Medical University, Guangxi, China

Wei Deng

Affiliation School of Public Health & Guangxi Key Laboratory Cultivation Base of AIDS Prevention and Treatment, Guangxi Medical University, Guangxi, China

Bo Qin

Affiliation The First Affiliated Hospital, Chongqing Medical University, Chongqing, China

Weili Yan

Affiliation School of Public Health, Xinjiang Medical University, Xinjiang, China

Qianqiu Wang

Affiliation School of Public Health, Chongqing Medical University, Chongqing, China

Chaohui Zhong

Affiliation National Center for STD Control, China Centers for Disease Control and Prevention, Nanjing, China

Qian Wang

Affiliation School of Public Health, Xinjiang Medical University, Xinjiang, China

Yuhua Ruan

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, Beijing, China

Yunfeng Zou

Affiliation School of Public Health & Guangxi Key Laboratory Cultivation Base of AIDS Prevention and Treatment, Guangxi Medical University, Guangxi, China

Peiyan Xie

Affiliation School of Public Health & Guangxi Key Laboratory Cultivation Base of AIDS Prevention and Treatment, Guangxi Medical University, Guangxi, China

Fumei Wei

Affiliation School of Public Health & Guangxi Key Laboratory Cultivation Base of AIDS Prevention and Treatment, Guangxi Medical University, Guangxi, China

Na Xu

Affiliation School of Public Health & Guangxi Key Laboratory Cultivation Base of AIDS Prevention and Treatment, Guangxi Medical University, Guangxi, China

Hao Liang

haolphd@163.com

Affiliation School of Public Health & Guangxi Key Laboratory Cultivation Base of AIDS Prevention and Treatment, Guangxi Medical University, Guangxi, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HL BW YHR XBY. Performed the experiments: XBY JJJ WD BQ WLY CHZ QW YFZ. Analyzed the data: ASA PYX FMW NX. Wrote the paper: XBY. Quality control during the survey: QQW.