1. Research Committee on Iodine Related Health Problems, Foundation for Growth Science, Tokyo 113-0033, Japan
2. Kagawa Nutrition University, Institute of Nutrition Sciences, Saitama 350-0288, Japan
3. Kamakura Women’s University, Kanagawa 247-0056, Japan
4. Nosan Corporation, Kanagawa 220-8146, Japan
5. University of Nagano, Nagano, 380-0845, Japan