1 Department of Pediatrics, University of Maryland School of Medicine, Baltimore, MD 21201, USA; RTI International, Research Triangle Park, NC, USA. Electronic address: mblack@som.umaryland.edu.
2 Department of Psychology, McGill University, Montréal, QC, Canada.
3 Sydney School of Public Health, The University of Sydney, Sydney, NSW, Australia; International Centre for Diarrhoeal Disease Research Bangladesh, Dhaka, Bangladesh.
4 Columbia University, Mailman School of Public Health, Department of Environmental Health Sciences, New York, NY, USA.
5 Public Health Foundation of India, New Delhi, India; Institute for Health Metrics and Evaluation, University of Washington, Seattle, WA, USA.
6 Maternal, Child and Adolescent Health Program, Burnet Institute, Melbourne, VIC, Australia; Department of Epidemiology and Environmental Medicine, Faculty of Medicine, Graduate School of Medicine, University of Yamanashi, Chuo City, Japan; JSPS Overseas Research Fellowship, Japan Society for the Promotion of Science, Tokyo, Japan.
7 WHO Collaborating Centre for Maternal and Child Health, Institute for Maternal and Child Health IRCCS Burlo Garofolo, Trieste, Italy; Maternal Adolescent Reproductive and Child Health Care Centre, Faculty of Epidemiology and Population Health, London School of Hygiene & Tropical Medicine, London, UK.
8 Division of Analysis, Planning and Monitoring, UNICEF, New York, NY, USA.
9 Department of Maternal, Newborn, Child and Adolescent Health and Aging, WHO, Geneva, Switzerland.