1. HIV Center for Clinical and Behavioral Studies at New York State Psychiatric Institute and Columbia University, New York, NY, USA
2. South African Medical Research Council, Chatsworth Clinical Trials Unit, Durban, South Africa
3. Wits Reproductive Health and HIV Institute Clinical Research Site, Johannesburg, South Africa
4. Makerere University – Johns Hopkins University Research Collaboration Clinical Research Site, Kampala, Uganda
5. University of Zimbabwe College of Health Sciences Clinical Trials Research Center, Harare, Zimbabwe
6. Johns Hopkins University – Blantyre Clinical Trials Unit, Blantyre, Malawi
7. RTI International, Women’s Global Health Imperative, San Francisco, CA, USA
8. University of California San Francisco (UCSF), Center for AIDS Prevention Studies, San Francisco, CA, USA