1. Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland
2. Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, Maryland
3. Johns Hopkins Center for Communication Programs, Baltimore, Maryland
4. Population Services International, Harare, Zimbabwe
5. Department of Pediatrics, Johns Hopkins University School of Medicine, Baltimore, Maryland
6. Centre for Sexual Health & HIV/AIDS Research, Harare, Zimbabwe
7. CSK Research Solutions, Ltd., Dar es Salaam, Tanzania
8. Centre for Communication Impact, Pretoria, South Africa
9. Office of HIV/AIDS, Global Health Bureau, United States Agency for International Development, Washington, District of Columbia
10. Ministry of Health and Child Care, Harare, Zimbabwe
11. Ministry of Health, Community Development, Gender, Elderly and Children, Dar es Salaam, Tanzania
12. National Department of Health, Pretoria, South Africa