^○Mitsuhiro Kuno, Naoki Hattori, Mizuki Ito, Minoru Tomita, Kazuhiro Akatsuka (toyota kosei hospital)

^○Satoko Ogura, Yuya Shigehatake, Yozo Taniai, Fumio Miyashita, Masayuki Wakita, Hideki Matsuoka (Department of Cerebrovascular Medicine, National Hospital Organization Kagoshima Medical Center)

^○Masanori Cho^1,2, Keisuke Imai², Masashi Hamanaka², Hidekazu Yamazaki², Masahiro Itsukage², Atsushi Yamamoto², Kazuma Tsuto², Tetsuya Ioku², Kunihiko Umezawa³, Toshi Sai², Kanako Menjo² (1.Mito Medical Center, 2.Department of Neurology and Stroke Treatment, Acute Stroke Center of Kyoto First Red Cross Hospital, 3.Department of Neurosurgery, Acute Stroke Center of Kyoto First Red Cross Hospital)

^○Junichiro Takahashi, Yuka Terasawa, Taiji Mukai, Teppei Komatsu, Kenichiro Sakai, Shusaku Omoto, Hidetaka Mitsumura, Tizuko Toyoda, Yasuyuki Iguchi (Department of Neurology, The Jikei University School of Medicine)

^○Takayuki Noro^1,4, Takakuni Maki¹, Natsue Kishida^1,2, Hisanori Kinoshita¹, Ken Yasuda¹, Ken Arai³, Ryosuke Takahashi¹ (1.Department of Neurology, Graduate School of Medicine, Kyoto University, 2.Department of Neurosurgery, Graduate School of Medicine, Kyoto University, 3.Departments of Radiology and Neurology, Massachusetts General Hospital and Harvard Medical School, 4.Undergraduate, Faculty of Medicine, Kyoto University)

^○Yurika Nakayama, Takamasa Nukui, Mamoru Yamamoto, Yoshiharu Taguchi, Nobuhiro Dougu, Hirofumi Konishi, Tomohiro Hayashi, Yuji Nakatsuji (Depertment of Neurology, Toyama University Hospital)

^○Shinji Aoyama¹, Masahiro Mori², Akiyuki Uzawa², Tomohiko Uchida², Hiroki Masuda², Ryohei Ohtani², Satoshi Kuwabara² (1.Chiba University School of Medicine, 2.Department of Neurology, Graduate School of Medicine, Chiba University)