1. Department of Pediatrics, University of Colorado Anschutz Medical Campus and Children’s Hospital Colorado, Aurora
2. Center for Immunization Research, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland
3. Statistical and Data Analysis Center, Harvard School of Public Health, Boston, Massachusetts
4. Department of Pediatrics, Duke University Medical Center
5. FHI 360, Durham, North Carolina
6. Maternal, Adolescent and Pediatric Research Branch, Division of AIDS, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda
7. Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda
8. Investigational Drug Service Pharmacy, Johns Hopkins Hospital, Baltimore, Maryland
9. Department of Pediatrics, Northwestern University Medical School and Ann and Robert H. Lurie Children’s Hospital of Chicago, Illinois
10. Department of Pediatrics, University of California San Diego, La Jolla
11. Section of Infectious Disease, Rush University Medical Center, Chicago, Illinois
12. Department of Pediatrics, St. Jude Children’s Research Hospital, Memphis, Tennessee
13. Division of Infectious Diseases, Maternal Child and Adolescent Center, University of Southern California Keck School of Medicine, Los Angeles
14. Laboratory of Infectious Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryl