1. Department of International Health, International Vaccine Access Center, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland
2. Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
3. Department of Rheumatology, Johns Hopkins School of Medicine, Baltimore, Maryland;
4. Milken Institute School of Public Health, Department of Epidemiology and Biostatistics, George Washington University, District of Columbia;
5. Global Disease Detection Center, Thailand Ministry of Public Health–US Centers for Disease Control and Prevention Collaboration, Nonthaburi;
6. Division of Global Health Protection, Center for Global Health, Centers for Disease Control and Prevention, Atlanta, Georgia;
7. International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b), Dhaka and Matlab;
8. Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland;
9. Kenya Medical Research Institute–Wellcome Trust Research Programme, Kilifi;
10. Medical Research Council Unit, Basse, The Gambia;
11. Department of Paediatrics, University of Auckland, and
12. Centre for International Health, University of Otago, Dunedin, New Zealand;
13. Division of Infectious Disease and Tropical Pediatrics, Department of Pediatrics, Center for Vaccine Development, Institute of Global Health, University of Maryland School of Medicine, Baltimore;
14. Bill & Melinda Gates Foundation, Seattle, Washington;
15. Medical Research Council, Respiratory and Meningeal Pathogens Research Unit, and
16. Department of Science and Technology/National Research Foundation, Vaccine Preventable Diseases Unit, University of the Witwatersrand, Johannesburg, South Africa;
17. Department of Infectious Disease Epidemiology, London School of Hygiene & Tropical Medicine, United Kingdom;
18. Center for Global Health and Development, Boston University School of Public Health, Massachusetts;
19. Department of Pathogen Molecular Biology, London School of Hygiene & Tropical Medicine, and
20. Microbiology and Infection Unit, Warwick Medical School, University of Warwick, Coventry, United Kingdom;
21. Department of Epidemiology,
22. Department of International Health, Center for Immunization Research, and
23. Department of Population, Family and Reproductive Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland;
24. Microbiology Laboratory, Middlemore Hospital, Counties Manukau District Health Board, Auckland, New Zealand;
25. Department of Pathology and Microbiology, University Teaching Hospital, and
26. Zambia Center for Applied Health Research and Development, Lusaka;
27. Centre pour le Développement des Vaccins (CVD-Mali), Bamako;
28. Department of Biostatistics, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland;
29. Department of Pathology, University of Otago, and
30. Microbiology Unit, Canterbury Health Laboratories, Christchurch, New Zealand