1. Division of Pediatric Infectious Diseases, Department of Pediatrics, Emory University School of Medicine, Atlanta, Georgia
2. Department of Pediatrics, Emory University School of Medicine, Atlanta, Georgia
3. Division of Maternal-Fetal Medicine, Department of Gynecology and Obstetrics, Emory University School of Medicine, Atlanta, Georgia
4. Department of Behavioral Sciences and Health Education, Emory University Rollins School of Public Health, Atlanta, Georgia
5. Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), Bethesda, Maryland
6. HIV Epidemiology Section, Georgia Department of Public Health, Atlanta