Satoshi Kuru¹, Takahiro Nakayama², Akihiko Ishiyama³ (1.Dept.of Neurology, Suzuka National Hospital, 2.Dept.of Neurology, Yokohama Rousai Hospital, 3.Dept. of Pediatrics, National Center of Neurology and Psychiatry)

Ayako Shioya¹, Hiroshi Takuma², Akiko Ishii³, Hiroshi Tsuji³, Toshiaki Takahashi⁴, Masashi Aoki⁵, Akira Tamaoka³ (1.Department of Neurology, Mito Kyodo General Hospital, Tsukuba University Hospital Mito Area Medical Education Center, 2.Takuma Neurology Clinic, 3.Department of Neurology, Facility of Medicine, University of Tsukuba, 4.Department of Neurology, Sendai Nishitaga Hospital, 5.Department of Neurology, Tohoku University Graduate School of Medicine)

Miwako Asakawa¹, Kiyonobu Komai¹, Chiho Ishida¹, Kazuya Takahashi¹, Yuko Motozaki¹, Shutaro Shibata¹, Atsuro Tagami² (1.Department of Neurology, National Hospital Organization Iou Hospital, 2.Department of Internal Medicine, National Hospital Organization Iou Hospital)

Aiko Isami¹, Hideki Hayashi¹, Yutaka Otsu¹, Maiko Umeda¹, Yoshitaka Umeda¹, Mutsuo Oyake¹, Ichizo Nishino², Nobuya Fujita¹ (1.Department of Neurology, Nagaoka Red Cross Hospital, 2.Department of Neuromuscular Research, Nationall Insutitute of Neuroscience, National Center of Neurology and Psychiatry)

Kenichiro Nakamura^1,4, Tomoko Ishikawa¹, Rie Shimazaki¹, Katsumasa Goto¹, Takao Matsuda², Hiroko Miyazaki³, Etsuro Matsubara⁴ (1.Department of Neurology, Nishibeppu National Hospital, 2.Department of Reproductive medicine and Genetics, Nishibeppu National Hospital, 3.Department of Cardiology, Nishibeppu National Hospital, 4.Department of Neurology, Faculty of Medicine, Oita university)

Kenichi Yabuuchi¹, Kenichiro Nakamura¹, Mika Jikumaru¹, Takuya Hanaoka³, Noriyuki Kimura¹, Toshihide Kumamoto¹, Ichizo Nishino², Esturo Matsubara¹ (1.Neurology, faculty of medicine, Oita University, 2.Department of Neuromuscular Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, 3.Department of Neurology, Oita Prefectural Hospital)