1. McCord Hospital, Durban, South Africa
2. Division of General Medicine
3. Medical Practice Evaluation Center, Department of Medicine
4. Division of Infectious Disease, Massachusetts General Hospital
5. Harvard University Center for AIDS Research (CFAR)
6. Departments of Biostatistics and Epidemiology, Boston University School of Public Health
7. Departments of Epidemiology and Health Policy and Management, Harvard School of Public Health
8. Division of Rheumatology, Department of Medicine, and Department of Orthopedic Surgery, Brigham and Women's Hospital
9. Division of Infectious Disease, Brigham and Women's Hospital, Boston, Massachusetts