1. Department of Global Health and Development, Faculty of Public Health and Policy, London School of Hygiene and Tropical Medicine, London, UK.
2. Health and Nutrition Cluster, Institute of Development Studies, University of Sussex, Brighton, UK.
3. Department of Population, Family and Reproductive Health, University of Ghana, Accra, Ghana.
4. Division of Human Nutrition, Department of Global Health, Faculty of Health and Medicine Sciences, Stellenbosch University, Stellenbosch, South Africa.
5. Department of Community Health Sciences, Aga Khan University, Karachi, Pakistan.