1. Centre for the AIDS Programme of Research in South Africa (CAPRISA), University of KwaZulu-Natal, Durban, South Africa
2. Women’s Global Health Imperative, RTI International, Berkeley, CA, USA
3. Global Health Population and Nutrition, FHI 360, Durham, NC, USA
4. HIV and Other Infectious Diseases Research Unit, South African Medical Research Council, Durban, South Africa