1. Gender and Health Research Unit, South African Medical Research Council, Pretoria, South Africa;
2. Centre for Rural Health, School of Nursing and Public Health, University of KwaZulu-Natal, Durban, South Africa;
3. School of Public Health, University of Witwatersrand, Johannesburg, South Africa;
4. Division of HIV/AIDS, University of California, San Francisco, CA;
5. Project Empower, Durban, South Africa; and
6. Sonke Gender Justice, Cape Town, South Africa.