Perinatal HIV Research Unit (PHRU), Chris Hani Baragwanath Academic Hospital, Johannesburg, Gauteng, South Africa
HIV and other Infectious Diseases Research Unit (HIDRU), South African Medical Research Council, Botha's Hill, Kwa-Zulu Natal, South Africa
University of Rochester Medical Center - Vaccine Research Unit, Rochester, New York, United States
The Hope Clinic of Emory University, Decatur, Georgia, United States
University of Maryland, Baltimore, Center for Vaccine Development and Global Health, Baltimore, Maryland, United States