1. Department of Tropical Medicine, Tulane University School of Public Health and Tropical Medicine, New Orleans, Louisiana, USA
2. Africa Health Research Institute, KwaZulu-Natal, South Africa
3. Medical Practice Evaluation Center, Massachusetts General Hospital, Boston, Massachusetts, USA
4. Harvard Medical School, Boston, Massachusetts, USA
5. Center for Global Health, Massachusetts General Hospital, Boston, Massachusetts, USA
6. Emory University School of Medicine and Rollins School of Public Health, Atlanta, Georgia, USA
7. Emory University Vaccine Center, Atlanta, Georgia, USA
8. Atlanta Veterans Affairs Medical Center, Decatur, Georgia, USA
9. Geisel School of Medicine at Dartmouth, Hanover, New Hampshire, USA
10. Veterans Affairs Medical Center, White River Junction, Vermont, USA