^○Yuki Yamamoto¹, Nobuaki Yamamoto¹, Yuishin Izumi¹, Masaaki Korai², Yasuhisa Kanematsu², Junichiro Satomi², Yasushi Takagi², Ryuji Kaji¹ (1.Department of Neurology, Tokushima University Hospital, 2.Department of Neurosurgery, Tokushima University Hospital)

^○Hidesato Takezawa¹, Tetsuya Katsumori², Aiko Tamura¹, Akihiro Fujii¹, Yukihiro Goto³, Shigeomi Yokoya³, Hideki Oka³, Youichi Hashimoto³, Akihiko Hino³ (1.Department of Neurology, Saiseikai Shigaken Hospital, 2.Department of Radiology, Saiseikai Shigaken Hospital, 3.Department of Neurosurgery, Saiseikai Shigaken Hospital)

^○Naoki Takao¹, Yuta Hagiwara¹, Takahiro Shimizu¹, Tomohide Yoshie², Tatsuro Takada², Toshihiro Ueda², Yasuhiro Hasegawa¹ (1.Department of Internal Medicine, Division of Neurology, St. Marianna University School of Medicine, 2.Department of Strokology, Stroke Center, St. Marianna University Toyoko Hospital)

^○Takeshi Bo¹, Yoichiro Nishida¹, Kazunori Miki^1,2, Satoru Ishibashi¹, Jun Karakama², Kazutaka Sumita², Shigeru Nemoto², Takanori Yokota¹ (1.Department of Neurology and Neurological Science, Tokyo Medical and Dental University, Graduate school of Medical and Dental Sciences, 2.Department of Endovascular Surgery, Tokyo Medical and Dental University)

^○Nobuhiro Ogawa¹, Akihiro Kitamura¹, Isamu Yamakawa¹, Takahito Tsukamoto¹, Hideki Wada¹, Shuhei Kobashi¹, Makiko Hashi¹, Hyoh Kim¹, Hiromichi Kawai¹, Atsushi Tsuji², Keiichi Tsuji², Toshihiro Yokoi², Yayoi Yoshimura², Takuya Nakazawa², Kazuhiko Nozaki², Makoto Urushitani¹ (1.Department of Neurology, Shiga University of Medical Science, 2.Department of Neurosurgery, Shiga University of Medical Science)

^○Tomoya Mukai, Hidetada Yamada, Rina Tanahashi, Takeo Shishido, Mutsuko Araki, Hiromitsu Naka, Hiroshi Tokinobu (Department of Neurology, Hiroshima Prefectural Hospital)

^○Yasuhiro Nishiyama¹, Kanako Muraga¹, Toshiaki Otsuka², Yoshiyuki Saiki², Katsuto Kato², Hiroshi Nagayama¹, Kazumi Kimura¹ (1.Department of Neurological Science, Graduate School of Medicine, Nippon Medical School, 2.Department of Hygiene and Public Health, Graduate School of Medicine, Nippon Medical School)