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