^○Atsushi Yamamoto¹, Keisuke Imai¹, Masashi Hamanaka¹, Masahiro Itsukage¹, Hidekazu Yamazaki¹, Kazuma Tsuto¹, Tetsuya Ioku¹, Takehiro Yamada², Yukiko Tsuji³, Takuma Nakamura³, Naoki Tokuda⁴ (1.Kyoto First Red Cross Hospital, Department of Neurology and Stroke Treatment, 2.Kyoto Second Red Cross Hospital, Department of Neurology, 3.Kyoto Prefectural University of Medicine, Department of Neurology, 4.Kyoto Okamoto Memorial Hospital, Department of Neurology)

^○Kota Kikuchi, Keiichi Hokkoku, Yudai Uchida, Yuki Hatanaka, Masahiro Sonoo (Department of Neurology, Teikyo University School of Medicine)

^○Takuya Fukuoka, Yoshihiko Nakazato, Hitoshi Kawasaki, Akifumi Miyake, Takashi Mitsufuji, Kazushi Takahashi, Toshimasa Yamamoto (Saitama Medical University Department of Neurology)

^○Masakazu Nakamura¹, Itaru Amino¹, Kentaro Yoshii², Fumihito Nakano¹, Naoya Minami¹, Yusei Miyazaki¹, Naoto Fujiki¹, Shizuki Doi¹, Sachiko Akimoto¹, Masaaki Niino¹, Seiji Kikuchi¹ (1.Department of Neurology, Hokkaido Medical Center, 2.Laboratory of Public Health, Graduate School of Veterinary Medicine, Hokkaido University)

^○Naoya Mimura, Satoru Fujiwara, Syota Segawa, Ryota Tamura, Junichiro Ohira, Jun Ueda, Yasutaka Murakami, Junko Ishii, Nobuyuki Ohara, Tomoyuki Kono, Hajime Yoshimura, Michi Kawamoto, Nobuo Kohara (kobe city medical center general hospital)

^○Yoshiharu Miura¹, Ryuusuke Ae², Kazuya Takahashi³, Tsuyoshi Hamaguchi⁴, Kazuo Nakamichi⁵, Masayuki Saijo⁵, Kenta Takahashi⁵, Tadaki Suzuki⁵, Yukiko Hara⁶, Ken Matsumura¹, Kenji Ishibashi¹, Nobuo Sanjo⁷, Motohiro Yukitake⁸, Shyuuji Kishida¹, Yoshikazu Nakamura², Kyouichi Nomura⁹, Hidehiro Mizusawa¹⁰, Masahito Yamada⁴ (1.Tokyo Metropolitan Komagome hospital, Department of Neurology, 2.Jichi Medical University, Department of Public Health, 3.National Hospital Organization Iou Hospital, Department of Neurology, 4.Kanazawa University Graduate School of Medical Science, Department of Neurology and Neurobiology of Aging, 5.National Institute of Infectious Diseases, Department of Virology, 6.Tokyo Medical University, department of Pathology, 7.Tokyo Medical and Dental University, Department of Neurology and Neurological Science, 8.Saga Central Hospital, Department of Neurology, 9.Saitama Medical Center, Department of Neurology, 10.National Center of Neurology and Psychatry-National Center Hospital)