About the Authors

Eric P. F. Chow

echow@mshc.org.au (EPFC); lzhang@kirby.unsw.edu.au (LZ)

Affiliations The Kirby Institute, University of New South Wales, Sydney, NSW, Australia, Central Clinical School, Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, VIC, Australia, Melbourne Sexual Health Centre, Alfred Hospital, Melbourne, VIC, Australia, Comprehensive AIDS Research Center, School of Medicine, Tsinghua University, Beijing, China

Joseph D. Tucker

Affiliations University of North Carolina Project-China, Guangzhou, China, London School of Hygiene and Tropical Medicine, London, United Kingdom

Frank Y. Wong

Affiliation Department of Behavioral Sciences and Health Education, Emory University, Atlanta, Georgia, United States of America

Eric J. Nehl

Affiliation Department of Behavioral Sciences and Health Education, Emory University, Atlanta, Georgia, United States of America

Yanjie Wang

Affiliation The Kirby Institute, University of New South Wales, Sydney, NSW, Australia

Xun Zhuang

Affiliation School of Public Health, Nantong University, Nantong, Jiangsu Province, China

Lei Zhang

echow@mshc.org.au (EPFC); lzhang@kirby.unsw.edu.au (LZ)

Affiliations The Kirby Institute, University of New South Wales, Sydney, NSW, Australia, Comprehensive AIDS Research Center, School of Medicine, Tsinghua University, Beijing, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: EPFC JDT LZ. Performed the experiments: EPFC YW. Analyzed the data: EPFC YW. Contributed reagents/materials/analysis tools: JDT FYW EJN XZ LZ. Wrote the paper: EPFC LZ.