^○Hitaru Kishida¹, Yousuke Kudou², Shigeru Koyano³, Yoshiyuki Kuroiwa⁴, Kouichi Mizoguchi⁵, Yoshihisa Takiyama⁶, Katsuo Kimura¹, Hideto Joki⁴, Hiroshi Doi⁴, Hideyuki Takeuchi⁴, Naohisa Ueda¹, Fumiaki Tanaka⁴ (1.Department of Neurology, Yokohama City University Medical Center, 2.Department of Neurology, Yokohama Brain and Spine Center, 3.Department of Neurology, Yokohama Minami Kyousai Hospital, 4.Department of Neurology and Stroke Medicine, Yokohama City University Graduate School of Medicine, 5.Department of Neurology, National Hospital Organization Shizuoka Medical Center, 6.Department of Neurology, Graduate School of Medical and Nursing Sciences, University of Yamanashi)

^○Koichi Kikuchi¹, Sayuri Shima¹, Kazutaka Hayashi¹, Kunihisa Katoh¹, Humihiko Banno¹, Atsuhiro Higasi¹, Ryunosuke Nagao¹, Toshiki Maeda¹, Kenichiro Murate¹, Seiko Hirota¹, Tomomasa Ishikawa¹, Yasuaki Mizutani¹, Yoshiki Niimi¹, Akihiro Ueda¹, Souichiro Ishimaru², Yoshiki Kawamura², Shinji Itoh¹, Tatsuro Mutoh¹, Tetsusi Yoshikawa², Hirohisa Watanabe¹ (1.Department of Neurologty,Fujita health university School of medicine, 2.Department of Pediatrics,Fujita health university School of medicine)

^○Nao Negishi¹, Ryotaro Ikeguchi¹, Hayato So¹, Masaki Kobayashi¹, Hiroshi Yoshizawa¹, Mutsumi Iijima¹, Yuko Shimizu¹, Kazuo Nakamichi², Kenta Takahashi³, Kazuo Kitagawa¹ (1.Department of Neurology Tokyo Women's Medical University Hospital, 2.Department of Virology 1 National Institute of Infectious Diseases, 3.Department of Pathology National Institute of Infectious Diseases)

^○Hironori Shimizu, Hiroshi Kataoka, Kaoru Kinugawa, Hitoki Nanaura, Nobuyuki Eura, Takeshi Matsui, Yasuyo Kobayashi, Takao Kiriyama, Kazuma Sugie (Nara Medical University Department of Neurology)

^○Misaki Hanya¹, Keisuke Imai¹, Naoki Tokuda¹, Kazuma Tsuto¹, Atsushi Yamamoto¹, Tetsuya Ioku¹, Ryota Ueda¹, Masashi Hamanaka², Toshi Sai³, Kanako Menjo³, Masanori Cho⁴ (1.Department of Neurology and Stroke Treatment, Kyoto First Red Cross Hospital, 2.Department of Neurology, Kyoto First Red Cross Hospital, 3.Department of Neurology, Kyoto Prefectural University of Medicine, 4.Department of Neurology ,Saiseikai Shiga Hospital)

^○Saki Hayashi¹, Takekazu Ohi¹, Kei Sato¹, Jumpei Togawa² (1.Department of Neurology,Uji Hospital, 2.Department of Neurology,National Hospital Organization Kyoto Medical Center)

^○Masateru Tajiri, Satoshi Nakao, Junji Ikeda, Ken Takasone, Nobuhiko Ohashi, Mitsuto Sato, Tsuneaki Yoshinaga, Yoshiki Sekijima (Department of Neurology and Rheumatology, Shinshu University School of Medicine)

^○Akiyuki Hiraga, Kazuho Kojima, Ryo Otani, Yoshihisa Kitayama, Yuki Kiuchi (Department of Neurology, Chiba Rosai Hospital)

^○Kohei Suzuyama¹, Hiromu Minagawa², Makoto Eriguchi¹, Yusuke Yakushiji¹, Katsuya Sato³, Tetsuyuki Kitamoto⁴, Hideo Hara¹ (1.Division of Neurology, Department of Internal Medicine, Faculty of medicine Saga university, 2.Takagi hospital, 3.Department of Health Sciences, Nagasaki University Graduate School of Biomedical Sciences, 4.Department of Neurological Science, School of Medicine, Tohoku University)

^○Satoshi Nakao¹, Yuya Kobayashi³, Shun-ichi Sato³, Ryota Takamatsu^1,4, Junji Ikeda^1,2, Kiyoshirou Nagamatsu², Rie Watanabe³, Ken-ichi Hoshi³, Wataru Ishii⁴, Ai Hoshino⁵, Masashi Mizuguchi⁵, Yusaku Shimizu², Hiroyuki Yahikozawa³, Yoshiki Sekijima¹ (1.Depatment of Medicine (Neurology and Rheumatology), Shinshu University School of Medicine, 2.Ina Central Hospital, Department of Neurology, 3.Nagano Red Cross Hospital, Department of Neurology, 4.Nagano Red Cross Hospital, Department of Rheumatology, 5.Department of Developmental Medical Sciences Graduate School of Medicine, The University of Tokyo)