1. Department
of Global Health, Medicine and Welfare, Atomic Bomb Disease Institute, Nagasaki University, Nagasaki, Japan
2. Nagasaki Prefectural Institute for Environmental Research and Public Health, Omura, Japan
3. Department
of Ecomaterials Science, Nagasaki University Graduate School of Engineering, Nagasaki, Japan
4. Kawauchi Village
Office, Kawauchi Municipal Government, Fukushima, Japan
5. Department
of Radiation Medical Science, Atomic Bomb Disease Institute, Nagasaki University, Nagasaki, Japan