1. International Council for Control of Iodine Deficiency Disorders, and University of Brussels, Brussels, Belgium.
2. International Council for Control of Iodine Deficiency Disorders, Solothurn, Switzerland.
3. International Council for Control of Iodine Deficiency Disorders, and Medical University of Tianjin, Tianjin, People's Republic of China.
4. International Council for Control of Iodine Deficiency Disorders, and University of Virginia Health System, Charlottesville, Virginia.