1. Department of Health Behavior and Biological Sciences, School of Nursing, University of Michigan, Ann Arbor, MI, USA
2. Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, GA, USA
3. HIV/AIDS/STI/and TB (HAST), Human Sciences Research Council, Port Elizabeth, South Africa
4. Nelson Mandela Metropolitan University, Port Elizabeth, South Africa
5. Desmond Tutu HIV Foundation, Institute of Infectious Diseases and Molecular Medicine, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
6. Center for Public Health and Human Rights, Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA