1. UNC Project-Malawi, Lilongwe, Malawi
2. Department of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
3. Hospital Geral de Nova Iguacu and Laboratorio de AIDS e Imunologia Molecular-IOC/Fiocruz, Rio de Janeiro, Brazil
4. Clinical HIV Research Unit, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
5. Johns Hopkins Project, University of Malawi College of Medicine, Blantyre, Malawi
6. Botswana Harvard Aids Institute Partnership, Gaborone, Botswana
7. CMR-National AIDS Research Institute, Pune, India
8. Kenya Medical Research Institute (KEMRI), Nairobi, Kenya
9. Research Institute for Health Sciences, Chiang Mai University, Chiang Mai, Thailand
10. Faculty of Public Health, Chiang Mai University, Suthep, Thailand
11. Perinatal HIV Research Unit, University of the Witwatersrand, Soweto HPTN CRS, Soweto, South Africa