* Low Level Radioactivity Laboratory, Institute of Nature and Environmental Technology, Kanazawa University, Wake, Tatsunokuchi-machi, Ishikawa 923-1224, Japan; † Research Institute for Radiation Biology and Medicine, Hiroshima University, Kasumi 1-2-3, Minami-ku, Hiroshima 734-8553, Japan; ‡ Research Reactor Institute, Kyoto University, Kumatori, Osaka 590-0494, Japan; § Science Applications International Corporation, 10260 Campus Point Drive, San Diego, CA 92121; ** Technical University of Munich, Physics Department, Garching, Germany; Ludwig Maximilians University, Radiobiological Institute, Munich, now GSF Federal Center for Environment and Health, Institute for Radiation Protection, 85764 Neuherberg, German; †† Japan Chemical Analysis Center, Sannocho, Inage-ku, Chiba 263-0002, Japan; ‡‡ Radiation Effects Research Foundation, Hijiyama Koen 5-2, Minami-ku, Hiroshima 732-0815, Japan.
For correspondence contact: K. Komura, Low Level Radioactivity Laboratory, Institute of Nature and Environmental Technology, Kanazawa University, Wake, Tatsunokuchi-machi, Ishikawa 923-1224, Japan, or email at [email protected].
(Manuscript accepted 19 October 2006)
