1. Department of Clinical Studies, Radiation Effects Research Foundation, Nagasaki, Japan
2. First Department of Internal Medicine, Graduate School of Biochemical Sciences, Nagasaki University, Nagasaki, Japan
3. Department of Clinical Studies, Radiation Effects Research Foundation, Hiroshima, Japan
4. Department of Statistics, Radiation Effects Research Foundation, Hiroshima, Japan
5. Department of Metabolism/Diabetes and Clinical Nutrition, Nagasaki University Hospital, Nagasaki, Japan
6. Department of Internal Medicine, Yachiyo Hospital, Akitakata, Japan
7. Hiroshima Atomic Bomb Casualty Council, Hiroshima, Japan
8. Department of Thyroid Surgery, Nakajima Tsuchiya Clinic, Hiroshima, Japan
9. International Hibakusha Medical Center, Nagasaki University Hospital, Nagasaki, Japan