1. Department of Medicine/Infectious Disease, School of Medicine, Emory University, Atlanta, Georgia.
2. Rollins School of Public Health, Emory University, Atlanta, Georgia.
3. Atlanta Veterans Affairs Medical Center, Atlanta, Georgia.
4. McCord Hospital, Durban, South Africa.
5. Nelson Mandela School of Medicine, Durban, South Africa.
6. Albert Einstein College of Medicine and Medical Unit, Doctors Without Borders, New York, New York.
7. Department of Epidemiology, Pittsburgh University Graduate School of Public Health, Pittsburgh, Pennsylvania.
8. Departments of Epidemiology and International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland.
9. Department of Medicine and Centre for Infectious Diseases, Stellenbosch University, Faculty of Medicine & Health Sciences, Cape Town, South Africa.
10. Section of Retroviral Therapeutics, Brigham and Women's Hospital, Boston, Massachusetts.
11. South Africa Resistance Cohort Study Team Group Authors included Helga Holst and Phacia Ngubane,4 and Rachel Kearns and Peng Wu.2