Affiliation: | (1) Japan Atomic Energy Research Institute, Department of Health Physics, Tokai-mura, Ibaraki-ken, 319-1195 Japan e-mail: komei@popsvr.tokai.jaeri.go.jp Tel.: +81-292-826167, Fax: +81-292-826768, JP;(2) GSF–National Research Center for Environment and Health, Institute of Radiation Protection, 85764 Neuherberg, Germany, DE;(3) Fujita Health University Hospital, Department of Radiology, 1-98 Dengakugakubo, Kutsukake-cho, Toyoake, Aichi-ken, 470-1192 Japan, JP;(4) Mitsubishi Research Institute, Research Center for Safety Science, Otemachi, Chiyoda-ku, Tokyo, 100-0004 Japan, JP |