1. ISGlobal, Barcelona Centre for International Health Research, Hospital Clinic–University of Barcelona, Spain;
2. Maternal, Adolescent, Reproductive and Child Health Centre, London School of Hygiene & Tropical Medicine, United Kingdom;
3. Centro de Investigação em Saúde de Manhiça, Mozambique;
4. College of Health and Medical Sciences, Haramaya University, Dire Dawa, Ethiopia;
5. Centre for Child and Adolescent Health, School of Social and Community Medicine, University of Bristol, United Kingdom;
6. Chief of Health, United Nations Children’s Fund, Afghanistan;
7. Vaccine Institute, Institute for Infection and Immunity, St George’s, University of London and St George’s University Hospitals NHS Foundation Trust, United Kingdom;
8. Medical Research Council: Respiratory and Meningeal Pathogens Research Unit, and Department of Science and Technology/National Research Foundation: Vaccine Preventable Diseases, University of the Witwatersrand, Faculty of Health Sciences, and
9. National Institute for Communicable Diseases, National Health Laboratory Service, Johannesburg, South Africa;
10. Departments of Pediatrics and Molecular Virology and Microbiology, Baylor College of Medicine, Houston, Texas;
11. Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland,
12. Global Alliance to Prevent Prematurity and Stillbirth, Seattle, Washington;
13. Department of Obstetrics and Gynecology, University of Washington, Seattle;
14. Department of Microbiology, Faculty of Medicine, Chinese University of Hong Kong;
15. Centre for International Child Health, Imperial College London, United Kingdom;
16. Department of Global Health, University of Washington, Seattle;
17. Bangladesh Institute of Child Health, Dhaka;
18. Bill & Melinda Gates Foundation, Seattle, Washington;
19. World Health Organization, Geneva, Switzerland; and
20. National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia