1 Department of Neurology, Hiroshima City Asa Citizens Hospital, 2-1-1, Kabeminami, Asakita-ku, Hiroshima, 731-0293, Japan.
2 Department of Clinical Neuroscience and Therapeutics, Hiroshima University Graduate School of Biomedical and Health Sciences, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8553, Japan.
3 Department of Neurology, Hiroshima City Asa Citizens Hospital, 2-1-1, Kabeminami, Asakita-ku, Hiroshima, 731-0293, Japan. ohshita4@hiroshima-u.ac.jp.
4 Department of Clinical Neuroscience and Therapeutics, Hiroshima University Graduate School of Biomedical and Health Sciences, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8553, Japan. ohshita4@hiroshima-u.ac.jp.
5 Department of Neurology, National Hospital Organization Kure Medical Center and Chugoku Caner Center, 3-1 Aoyama-cho, Kure, Hiroshima, 737-0023, Japan.
6 Department of Epidemiology, Research Institute for Radiation Biology and Medicine, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8553, Japan.
7 Department of Supportive and Promotive Medicine of the Municipal Hospital, Faculty of Medicine, Kagawa University, 1750-1 Ikenobe Kagawa, Miki-cho, Kita-gun, 761-0793, Japan.
8 Aichi Medical University, Nagakute, Aichi, Japan.
9 Department of Neuropathology, Institute for Medical Science of Aging, Aichi Medical University, Nagakute, Aichi, 480-1195, Japan.
10 Department of Neurology, National Hospital Organization Suzuka National Hospital, 3-2-1, Kasado, Suzuka, Mie, 513-8501, Japan.