From the *Department of Child Health and Paediatrics, School of Medicine, Moi University, Eldoret, Kenya; †Department of Community Health, Kinshasa School of Public Health, Kinshasa, Demographic Republic of Congo; ‡Department of Pediatrics, College of Medicine, University of Ibadan, Ibadan, Nigeria; §Department of Paediatrics and Child Health, Obafemi Awolowo University, Ile-Ife, Nigeria; ¶Department of Paediatrics, Ahmadu Bello University Teaching Hospital, Ahmadu Bello University, Zaria, Nigeria; ‖Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland; **Department of Paediatrics and Child Health, Aga Khan University, Karachi, Pakistan; ††Department of Microbiology, Dhaka Shishu Hospital & Child Health Research Foundation, Dhaka, Bangladesh; ‡‡Department of Maternal, Newborn, Child and Adolescent Health, World Health Organization, Geneva, Switzerland; §§Saving Newborn Lives, Save the Children, Federation, Inc., Hartford, Connecticut; ¶¶United States Agency for International Development, Washington, DC; ‖‖**Departments of Pediatrics and Maternal Child Health, Schools of Medicine and Public Health, University of North Carolina, Chapel Hill, North Carolina; ***Bill and Melinda Gates Foundation, Seattle, Washington.