1. Department of Preventive MedicineInstitute of Health Biosciences, the University of Tokushima Graduate SchoolJapan
2. Department of Public Health and Applied NutritionInstitute of Health Biosciences, the University of Tokushima Graduate SchoolJapan
3. Ministry of the Environment of Japan
4. The Study Group of the Accumulation of Dioxins in HumansJapan