About the Authors

Fei Zhong

Affiliations School of Public Health, Sun Yat-sen University, Guangzhou, China, Department of HIV/AIDS Control and Prevention, Guangzhou Center for Disease Control and Prevention, Guangzhou, China, Sun Yat-sen Center for Migrant Health Policy, Sun Yat-sen University, Guangzhou, China

Boheng Liang

Affiliation Department of HIV/AIDS Control and Prevention, Guangzhou Center for Disease Control and Prevention, Guangzhou, China

Huifang Xu

Affiliation Department of HIV/AIDS Control and Prevention, Guangzhou Center for Disease Control and Prevention, Guangzhou, China

Weibin Cheng

Affiliation Department of HIV/AIDS Control and Prevention, Guangzhou Center for Disease Control and Prevention, Guangzhou, China

Lirui Fan

Affiliation Department of HIV/AIDS Control and Prevention, Guangzhou Center for Disease Control and Prevention, Guangzhou, China

Zhigang Han

Affiliation Department of HIV/AIDS Control and Prevention, Guangzhou Center for Disease Control and Prevention, Guangzhou, China

Caiyun Liang

Affiliation Department of HIV/AIDS Control and Prevention, Guangzhou Center for Disease Control and Prevention, Guangzhou, China

Kai Gao

Affiliation Department of HIV/AIDS Control and Prevention, Guangzhou Center for Disease Control and Prevention, Guangzhou, China

Huixia Mai

Affiliation Department of HIV/AIDS Control and Prevention, Guangzhou Center for Disease Control and Prevention, Guangzhou, China

Faju Qin

Affiliation Department of HIV/AIDS Control and Prevention, Guangzhou Center for Disease Control and Prevention, Guangzhou, China

Jinkou Zhao

Affiliation The Global Fund to fight AIDS, Tuberculosis and Malaria, Geneva, Switzerland

Li Ling

lingli@mail.sysu.edu.cn

Affiliations School of Public Health, Sun Yat-sen University, Guangzhou, China, Sun Yat-sen Center for Migrant Health Policy, Sun Yat-sen University, Guangzhou, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: FZ HX WC LF ZH. Performed the experiments: FZ WC LF ZH CL KG HM FQ. Analyzed the data: FZ BL. Contributed to the writing of the manuscript: FZ BL JZ LL.