About the Authors

Stefan Baral

sbaral@jhu.edu

Affiliation Key Populations Program, Center for Public Health and Human Rights, Department of Epidemiology, Johns Hopkins School of Public Health, Baltimore, Maryland, United States of America

Sosthenes Ketende

Affiliation Key Populations Program, Center for Public Health and Human Rights, Department of Epidemiology, Johns Hopkins School of Public Health, Baltimore, Maryland, United States of America

Jessie L. Green

Affiliation Population Services International, Mbanane, Swaziland

Ping-An Chen

Affiliation Key Populations Program, Center for Public Health and Human Rights, Department of Epidemiology, Johns Hopkins School of Public Health, Baltimore, Maryland, United States of America

Ashley Grosso

Affiliation Key Populations Program, Center for Public Health and Human Rights, Department of Epidemiology, Johns Hopkins School of Public Health, Baltimore, Maryland, United States of America

Bhekie Sithole

Affiliation Rock Of Hope, Mbabane, Swaziland

Cebisile Ntshangase

Affiliation Swaziland National AIDS Program, Strategic Information Division, Ministry of Health, Mbabane, Swaziland

Eileen Yam

Affiliation Department of Population, Family, and Reproductive Health, Johns Hopkins School of Public Health, Baltimore, Maryland, United States of America

Deanna Kerrigan

Affiliation Department of Health, Behavior, and Society, Johns Hopkins School of Public Health, Baltimore, Maryland, United States of America

Caitlin E. Kennedy

Affiliation Department of International Health, Johns Hopkins School of Public Health, Baltimore, Maryland, United States of America

Darrin Adams

Affiliation Department of International Health, Johns Hopkins School of Public Health, Baltimore, Maryland, United States of America

Competing Interests

Stefan Baral is an Associate Editor at PLOS ONE though this had no effect on the review process of this manuscript. Indeed, this does not alter adherence to PLOS ONE Editorial policies and criteria.

Author Contributions

Conceived and designed the experiments: CK SB DA DK. Performed the experiments: BS JG DA CN. Analyzed the data: SB SK AG PC EY. Contributed reagents/materials/analysis tools: CK DK DA. Wrote the paper: SB.