1. University of Calgary, Calgary, AB, Canada.
2. United States Agency for International Development Micronutrient and Child Blindness Project, Washington, DC, United States of America.
3. Warwick Medical School, University of Warwick, Coventry, England.
4. The Micronutrient Initiative, Ottawa, Canada.
5. The International Council for the Control of Iodine Deficiency Disorders (ICCIDD), Institute of Food, Nutrition and Health, Swiss Federal Institute of Technology (ETH), Schmelzbergstrasse 7, Zurich, 8092, Switzerland.