United Nations, University of Washington, University of Pretoria, United Nations Children’s Fund (UNICEF) - Division of Data, Analytics, Planning and Monitoring, United Nations Children’s Fund (UNICEF) - Division of Data, Analytics, Planning and Monitoring, London School of Hygiene & Tropical Medicine, United Nations Children’s Fund (UNICEF), University of Massachusetts Amherst, University of Washington, World Health Organization (WHO) - Department of Maternal, Newborn, Child and Adolescent Health, United Nations, World Bank Group, Government of the United States of America - Centers for Disease Control and Prevention (CDC), London School of Hygiene & Tropical Medicine, Johns Hopkins University, ICF International, University of British Columbia (UBC), University of Cape Town (UCT), RTI International, United Nations, University of Leicester - Department of Population Health Sciences, University of Angers - French Institute of Health and Medical Research (INSERM) and University of Massachusetts Amherst - Department of Biostatistics and Epidemiology