1 Department of Molecular Epidemiology, Research Institute for Radiation Biology and Medicine, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8553, Japan.
2 Department of Molecular Epidemiology, Research Institute for Radiation Biology and Medicine, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8553, Japan. kumek@hiroshima-u.ac.jp.
3 Department of Molecular and Pharmacological Neuroscience, Graduate School of Biomedical Sciences, Hiroshima University, Hiroshima, 734-8551, Japan.
4 Department of Neurology, Sumitomo Hospital, 5-3-20 Nakanoshima, Kita-ku, Osaka, 530-0005, Japan.
5 Department of Neurology, Wakayama Medical University, 811-1 Kimiidera, Wakayama, Wakayama, 641-8510, Japan.
6 Department of Neurology, National Hospital Organization Kure Medical Center and Chugoku Cancer Center, 3-1 Aoyama-cho, Kure, 737-0023, Hiroshima, Japan.
7 Department of Neurology, Graduate School of Biomedical Sciences, University of Tokushima, 3-18-15, Kuramoto-cho, Tokushima, 770-8503, Tokushima, Japan.