1. Human Nutrition Laboratory, Institute of Food, Nutrition and Health, ETH Zurich, Switzerland.
2. Iodine Global Network, Ottawa, Ottawa, Canada.
3. Nutrition Services Section, Preventive Services Department; Ministry of Health, Community Development, Gender, Elderly, and Children, Dar es Salaam, Tanzania.
4. Nutrition Center of the Philippines, Metro Manila, The Philippines.
5. Faculté des Sciences Semlalia, Université Caddi Ayyed, Marrakech, Morocco.
6. Swiss Newborn Screening Laboratory and Children's Research Center; University Children's Hospital Zurich, Zurich, Switzerland.
7. Shanxi Institute for Prevention and Treatment of Endemic Disease, Linfen, P.R. China.
8. Department of Nuclear Medicine and Oncology, Sestre Milosrdnice University Hospital Center and School of Medicine, University of Zagreb, Zagreb, Croatia.
9. Faculty of Medicine Osijek, University Josip Juraj Strossmayer Osijek, Osijek, Croatia.
10. Department of Food Science, Jomo Kenyatta University of Agriculture and Technology, Nairobi, Kenya.
11. St Luke's Medical Center, Quezon City, Manila, The Philippines.
12. Medical Research Council The Gambia, Keneba, The Gambia.
13. Division of Gastroenterology and Nutrition; University Children's Hospital Zurich, Zurich, Switzerland.