1. Peninsula Research Associates , Rolling Hills Estates, California , USA
2. Vaccine Research and Development, Pfizer Ltd , Hurley , UK
3. Vaccine Research and Development, Pfizer Inc , Pearl River, New York , USA
4. Vaccine Research and Development, Pfizer Inc , Collegeville, Pennsylvania , USA
5. Pediatric Infectious Disease, Stanford University School of Medicine , Palo Alto, California , USA
6. Duke Human Vaccine Institute , Duke University School of Medicine, Durham, North Carolina , USA
7. Pediatrics Infectious Disease, Texas Children’s Hospital, Baylor College of Medicine , Houston, Texas , USA
8. Department of Pediatrics, University of Cincinnati College of Medicine and Division of Pediatric Infectious Diseases, Cincinnati Children’s Hospital Medical Center , Cincinnati, Ohio , USA
9. Department of Pediatrics, Seattle Children’s Hospital , Seattle, Washington , USA
10. International Health, Johns Hopkins University , Baltimore, Maryland , USA
11. Department of Pediatrics, Boston Medical Center, BU Chobanian & Avedisian School of Medicine , Boston, Massachusetts , USA
12. The Center for Childhood Infections and Vaccines of Children’s Healthcare of Atlanta and the Department of Pediatrics, Emory University School of Medicine , Atlanta, Georgia , USA
13. Senders Pediatrics , South Euclid, Ohio , USA
14. Department of Pediatrics, Children’s Hospital Colorado, University of Colorado School of Medicine , Aurora, Colorado , USA
15. Samshoma Medical Research Inc. , Denver, Colorado , USA
16. BioNTech , Mainz , Germany