^○Tetsuhiro Ueda¹, Ryotaro Ishii², Ryosuke Fukazawa¹, Kozo Saito¹, Yoshinobu Takahashi³, Naoya Hashimoto³, Masanori Nakagawa², Toshiki Mizuno¹ (1.Department of Neurology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, 2.Department of Neurology, North Medical Center, Kyoto Prefectural University of Medicine, 3.Department of Neurosurgery, Kyoto Graduate School of Medical Science Kyoto Prefectural University of Medicine)

^○Masaki Kondo^1,2, Tomoko Uehira², Takuma Shirasaka², Masanori Nakagawa³, Toshiki Mizuno¹ (1.Department of Neurology, Kyoto prefectural university of medicine, 2.Department of infectious diseases, Osaka national hospital, 3.North medical center, Kyoto prefectural university of medicine)

^○Yu Kono, Masayo Morita (Department of Neurology, Fuji city general hospital)

^○Yuya Kano¹, Itsumi Arakawa¹, Yo Tsuda¹, Satoru Yagi¹, Takuya Oguri¹, Hideki Kato¹, Hiroyuki Yuasa¹, Hiroyasu Inoue², Kentaro Yamada², Tomoyuki Kuno³, Koji Takada³, Yasukuni Tsugu³ (1.Department of Neurology, Tosei General Hospital, 2.Department of Neurology, Nagoya City East Medical Center, 3.Department of Neurology, Toyokawa City Hospital)

^○Akiyuki Hiraga, Reiji Aoki, Marie Morooka, Horoki Kano (Department of Neurology, Chiba Rosai Hospital)