1. Africa Health Research Institute (AHRI), University of KwaZulu-Natal, Durban, South Africa
2. Instituto Gonçalo Moniz, Fundação Oswaldo Cruz, Salvador, Bahia, Brazil
3. Center for Infectious Disease and Microbiology Translational Research, University of Minnesota, Saint Paul, MN, United States
4. Centre for the AIDS Programme of Research in South Africa (CAPRISA), University of KwaZulu-Natal, Durban, United States