1. Vaccines Medical Development & Scientific/Clinical Affairs, Pfizer Inc, Collegeville, PA, USA
2. Department of Pediatric Immunology and Infectious Diseases, Wilhelmina's Children Hospital, University Medical Centre Utrecht, Utrecht, The Netherlands
3. Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
4. Liverpool School of Tropical Medicine, Liverpool, UK
5. Department of Epidemiology of Microbial Diseases, Yale School of Public Health, New Haven, CT, USA
6. University of Exeter, Exeter, UK
7. Pediatric Infectious Diseases, Department of Pediatrics, Maxwell Finland Laboratory for Infectious Diseases, Boston Medical Center, Boston, MA, USA
8. Meyer Children’s Hospital and University of Florence, Florence, Italy
9. Instituto De Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, Oeiras, Portugal
10. Adolfo Lutz Institute, São Paulo, Brazil
11. Child Health Research Foundation, Matuail, Dhaka, Bangladesh
12. Vaccines Medical Development & Scientific/Clinical Affairs, Pfizer Inc, New York, NY, USA