Affiliation: | (1) Department of Public Health, Akita University School of Medicine, 1-1-1-Hondo, 010 Akita, (Japan);(2) Akita Prefectural Institute of Public Health, 6-6 Senshukubota-cho, 010 Akita, (Japan);(3) Division of Environmental Health, National Institute of Radiological Sciences, 4-9-1 Anagawa, 260 Chiba, (Japan);(4) Low Level Radioactivity Laboratory, Faculty of Science, Kanazawa University, Tatsunokuchi-machi, 923-12 Ishikawa, (Japan);(5) 14-20 Miyano-machi, Takarazuka, 665 Hyogo, (Japan) |