1. Department of Pediatrics Tulane University School of Medicine New Orleans Louisiana USA
2. Center for Biostatistics in AIDS Research Harvard T.H. Chan School of Public Health Boston Massachusetts USA
3. Department of Pediatrics Jacobi Medical Center Albert Einstein College of Medicine Bronx New York USA
4. Research Department Children's Diagnostic & Treatment Center Fort Lauderdale Florida USA
5. Department of Pediatrics Baylor College of Medicine Houston Texas USA
6. Departments of Infectious Diseases and Psychiatry and Behavioral Science Northwestern University Feinberg School of Medicine Chicago Illinois USA
7. Department of Pediatrics, Infectious Diseases University of Colorado School of Medicine Children's Hospital Colorado Aurora Colorado USA
8. HIV Center for Clinical and Behavioral Studies New York State Psychiatric Institute and Departments of Psychiatry and Sociomedical Sciences Columbia University New York City New York USA
9. Department of Neurosciences University of California, San Diego La Jolla California USA
10. Department of Pediatrics University of Illinois at Chicago Chicago Illinois USA
11. Department of Epidemiology Harvard T.H. Chan School of Public Health Boston Massachusetts USA