About the Authors

Lu Wang

Contributed equally to this work with: Lu Wang, Jiannan Xing

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

Jiannan Xing

Contributed equally to this work with: Lu Wang, Jiannan Xing

Affiliations National Center for AIDS/STD Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China, Beijing Human Resources and Social Security Bureau, Beijing, China

Fangfang Chen

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

Ruixue Yan

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

Lin Ge

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

Qianqian Qin

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

Liyan Wang

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

Zhengwei Ding

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

Wei Guo

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

Ning Wang

wangnbj@163.com

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

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: Lu Wang JX. Performed the experiments: Lu Wang JX. Analyzed the data: Lu Wang JX. Contributed reagents/materials/analysis tools: Lu Wang JX RY LG QQ Liyan Wang ZD WG NW. Wrote the paper: Lu Wang JX FC.