^○Ikuko Takahashi-iwata¹, Ichiro Yabe¹, Katsunori Eguchi¹, Masahiro Wakita¹, Azusa Nagai¹, Chika Sato¹, Ryouji Naganuma¹, Shinichi Shirai¹, Masaaki Matsushima¹, Kentaro Yoshii², Hidenao Sasaki¹ (1.Department of Neurology, Hokkaido University, Japan, 2.Laboratory of Public Health, Faculty of Veterinary Medicine, Hokkaido University)

^○Tatsuo Ihara¹, Kazuyoshi Shinpo² (1.Department of Neurology, Otaru General Hospital, Japan, 2.Department of Neurology, Hokkaido Neurosurgical Memorial Hospital)

^○Saori Adachi- Abe, Toshiki Uchihara, Ryota Amano, Yoko Machida, Satoshi Zeniya, Hiroaki Yokote, Shuta Toru (Nitobe Memorial Nakano General Hospital, Japan)

^○Akiko Uchino^1,2, Sho Tokuda³, Kazuko Hasegawa³, Saburo Yagishita⁴, Kunihiko Araki⁵, Nana Izawa⁶, Tomoyasu Matsubara², Shigeo Murayama² (1.Department of Neurology, Kitasato University School of Medicine, Japan, 2.Department of Neuropathology,Tokyo Metropolitan Geriatric Hospital & Institute of Gerontology, Japan, 3.Department of Neurology, Sagamihara National Hospital, 4.Department of Pathology, Kanagawa Rehabilitation Center, 5.Department of Neurology, Nagoya University Graduate School of Medicine, 6.Department of Neurology, Juntendo University School of Medicine)

^○Akio Akagi¹, Yasushi Iwasaki¹, Rina Hashimoto², Ikuko Aiba², Akira Inukai², Maya Mimuro¹, Yuichi Riku¹, Hiroaki Miyahara¹, Tetsuyuki Kitamoto³, Mari Yoshida¹ (1.Department of Neuropathology, Institute for Medical Science of Aging, Aichi Medical University, Japan, 2.Department of Neurology, National Hospital Organization Higashinagoya National Hospital, Nagoya, 3.Department of Neurological Science, Tohoku University Graduate School of Medicine)

^○Tsuyoshi Hamaguchi¹, Nobuo Sanjo², Ryusuke Ae³, Yosikazu Nakamura³, Tetsuyuki Kitamoto⁴, Kenji Sakai¹, Masaki Takao⁵, Shigeo Murayama⁶, Yasushi Iwasaki⁷, Katsuya Satoh⁸, Masafumi Harada⁹, Tadashi Tsukamoto¹⁰, Hidehiro Mizusawa¹⁰, Masahito Yamada¹ (1.Department of Neurology and Neurobiology of Aging, Kanazawa University Graduate School of Medical Science; Kanazawa, Japan, 2.Department of Neurology and Neurological Science, Graduate School, Tokyo Medical and Dental University; Tokyo, Japan, 3.Department of Public Health, Jichi Medical University; Shimotsuke, Japan, 4.Departments of Neurological Science, Graduate School of Medicine, Tohoku University; Sendai, Japan, 5.Department of Neurology, Saitama International Medical Center, Saitama Medical University; Hidaka, Japan, 6.Department of Neurology, Tokyo Metropolitan Institute of Gerontology; Tokyo, Japan, 7.Department of Neuropathology, Institute for Medical Science of Aging, Aichi Medical University; Nagakute, Japan, 8.Department of Locomotive Rehabilitation Science, Nagasaki University Graduate School of Biomedical Science; Nagasaki, Japan, 9.Department of Radiologic Technology, School of Health Sciences, The University of Tokushima; Tokushima, Japan, 10.Department of Neurology, National Center of Neurology and Psychiatry, Kodaira, Japan)