Shuji Hashiguchi¹, Ai Tsukamoto¹, Toshiaki Takeuchi¹, Miho Saito², Setsuko Kashiwagi², Katsuhito Adachi², Hiroshi Nishino², Chisa Fujimoto³, Ikuji Kawata³ (1.Tokushima National Hospital Department of Neurology, 2.Tokushima National Hospital Department of Internal Medicine, 3.Yoshinogawa Medical Center Department of Otolaryngology)

Toshio Saito¹, Satoshi Kuru², Toshiaki Takahashi³, Mikiya Suzuki⁴, Tsuyoshi Matsumura⁵, Takahashi Takahashi⁶ (1.Division of Child Neurology, Department of Neurology, National Hospital Organization Toneyama National Hospital, 2.Department of Neurology, National Hospital Organization National Suzuka Hospital, 3.Department of Neurology, National Hospital Organization Sendai-Nishitaga National Hospital, 4.Department of Neurology, National Hospital Organization Higashisaitama Hospital, 5.Department of Neurology, National Hospital Organization Toneyama National Hospital, 6.Osaka University Graduate School of Medicine, Division of Health Sciences)

Ruriko Kitao, Toshio Yasui, Seigo Nakamura, Tatsuya Abe, Aya Ohkuma, Masatoshi Mihara, Yutaka Ogino, Tetsuo Komori (Department of Neurology, Hakone Hospital)

Masaaki Konagaya, Masako Nakai, Junko Muramatsu, Misa Hashimoto, Ayuka Murakami, Seiya Noda, Jun Sone, Seigo Kimura, Makoto Minamiyama, Motoko Sakai, Satoshi Kuru (National Hospital Organization Suzuka Hospital)

Ryuhei Harada, Toshio Shimizu, Ryo Morishima, Kota Bokuda, Tsutomu Kamiyama, Hideki Kimura, Akihiro Kawata, Eiji Isozaki (Department of Neurology, Tokyo Metropolitan Neurological Hospital)

Hiroto Takada, Seiko Kon, Yoshinobu Oyama, Tamaki Kimura (Department of Neurology, Aomori National Hospital)