1. CAPRISA – Centre for the AIDS Programme of Research in South Africa
2. HIV Pathogenesis Programme, Nelson R. Mandela School of Medicine, Doris Duke Medical Research Institute, University of KwaZulu-Natal, Durban, South Africa
3. Department of Epidemiology, Mailman School of Public Health, Columbia University, New York
4. Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard, Boston