1. Human Nutrition Laboratory, Institute of Food, Nutrition and Health, ETH Zurich, Zurich, Switzerland
2. Centre of Excellence for Nutrition, Faculty of Health Sciences, North-West University, Potchefstroom, South Africa
3. Nutrition Services Section Ministry of Health, Community Development, Gender, Elderly and Children, Dar es Salaam, Tanzania
4. Iodine Global Network, Ottawa, Canada
5. Tanzania Food and Nutrition Centre, Dar es Salaam, Tanzania
6. Division of Nutrition and Environmental Health, Office of Maternal and Child Health and Nutrition, Bureau for Global Health, United States Agency for International Development, Washington, DC, USA
7. Nutrition Research Unit, Children's Research Centre, University Children's Hospital Zurich, Zürich, Switzerland