1. United States Military HIV Research Program/Henry M. Jackson Foundation, Silver Spring, Maryland.
2. United States Military HIV Research Program/Walter Reed Army Institute of Research, Silver Spring, Maryland.
3. NIMR-Mbeya Medical Research Center, Mbeya, Tanzania.
4. Division of Infectious Diseases and Tropical Medicine, Medical Centre of the University of Munich (LMU), Munich, Germany.
5. International Vaccine Institute, Seoul, Republic of Korea.
6. German Centre for Infection Research (DZIF), Munich partner site, Munich, Germany.