1. Department of Pediatrics, Duke University Medical Center, Durham, North Carolina 27710; Department of Immunology, Duke University Medical Center, Durham, North Carolina 27710
2. The Cobb County Board of Health-HIV Clinic, Marietta, Georgia 30008
3. Department of Medicine, Duke University Medical Center, Durham, North Carolina 27710
4. Department of Pathology, Duke University Medical Center, Durham, North Carolina 27710
5. Department of Immunology, Duke University Medical Center, Durham, North Carolina 27710; Department of Surgery, Duke University Medical Center, Durham, North Carolina, 27710
6. Department of Surgery, Duke University Medical Center, Durham, North Carolina 27710
7. Department of Immunology, Duke University Medical Center, Durham, North Carolina 27710; Department of Medicine, Duke University Medical Center, Durham, North Carolina, 27710