About the Authors

Wayne T. Steward

wayne.steward@ucsf.edu

Affiliation Center for AIDS Prevention Studies, Department of Medicine, University of California San Francisco, San Francisco, California, United States of America

Pierre Miège

Affiliation Institute of Social Development and Public Policy, Beijing Normal University, Beijing, People’s Republic of China

Kyung-Hee Choi

Affiliation Center for AIDS Prevention Studies, Department of Medicine, University of California San Francisco, San Francisco, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: WTS PM KC. Performed the experiments: WTS PM. Analyzed the data: WTS PM KC. Wrote the paper: WTS PM KC.