1. Center for Biostatistics in AIDS Research, Harvard School of Public Health, Boston, Massachusetts2Departments of Biostatistics and Epidemiology, Harvard School of Public Health, Boston, Massachusetts
2. Departments of Pediatrics and Microbiology, University of Alabama at Birmingham
3. Center for Biostatistics in AIDS Research, Harvard School of Public Health, Boston, Massachusetts
4. Maternal and Pediatric Infectious Disease Branch, Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, Maryland
5. Department of Pediatrics, Tulane University School of Medicine, New Orleans, Louisiana
6. Department of Pediatrics, University of Illinois at Chicago
7. Division of Allergy, Immunology, and Transplantation, National Institute of Allergy and Infectious Diseases, Bethesda, Maryland
8. Department of Pediatric Infectious Disease, Bronx-Lebanon Hospital, Bronx, New York
9. University of Florida Center for HIV/AIDS Research, Education and Service, Jacksonville
10. State University of New York Downstate Medical Center, Brooklyn
11. Office of the US Global AIDS Coordinator, US Department of State, Washington, DC