1. Division of Infectious Diseases, Department of Pediatrics, Duke University Medical Center, Durham, North Carolina.
2. Kilimanjaro Christian Medical Centre, Moshi, Tanzania.
3. Duke Global Health Institute, Duke University, Durham, North Carolina.
4. Department of Health Promotion for Small Children, Municipality of Munich, Munich, Germany.
5. Kilimanjaro Christian Medical Center Clinical Laboratory, Duke University Medical Center, Durham, North Carolina.
6. Division of Infectious Diseases and International Health, Department of Medicine, Duke University Medical Center, Durham, North Carolina.
7. Ministry of Health and Social Welfare, Dar es Salaam, Tanzania.
8. Department of Biostatistics and Bioinformatics, Duke University, Durham, North Carolina.
9. Duke Human Vaccine Institute, Duke Medical Center, Durham, North Carolina.
10. ViiV Healthcare, Research Triangle Park, North Carolina.