1. Key Populations Program, Department of Epidemiology, Center for Public Health and Human Rights, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
2. Swaziland National AIDS Program (SNAP), Ministry of Health and Social Welfare, Mbabane, Swaziland
3. Rock of Hope, Manzini, Swaziland
4. Department of Health Sciences, University of Stellenbosch, Stellenbosch, South Africa
5. Department of Health, Behavior and Society, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
6. Population Services International, Swaziland
7. Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA