^○Takahiro Kuwashiro¹, Ayaka Itsuji^2,4, Ryu Matsuo³, Naoki Tagawa¹, Tadataka Mizoguchi¹, Kota Mori¹, Yoshinobu Wakisaka⁴, Tetsuro Ago⁴, Hiroshi Sugimori¹, Masahiro Yasaka¹, Masahiro Kamouchi³, Yasushi Okada¹, Takanari Kitazono⁴ (1.Department of Cerebrovascular Medicine and Neurology, National Hospital Organization, Kyushu Medical Center, Japan, 2.Department of Neurology, Uji-Takeda Hospital, 3.Department of Health Care Administration and Management, Graduate School of Medical Sciences, Kyushu University, 4.Department of Medicine and Clinical Science, Graduate School of Medical Sciences, Kyushu University)

^○Nobuyuki Ohara^1,2, Kenichi Todo², Hirotoshi Imamura³, Nobuyuki Sakai³, Hiroshi Yamagami⁴, Kazutaka Uchida⁵, Shinichi Yoshimura⁵, Takeshi Morimoto⁶, Hideki Mochizuki² (1.Department of Neurology, Kobe City Medical Center General Hospital, Japan, 2.Department of Neurology, Osaka University Graduate School of Medicine, Japan, 3.Department of Neurosurgery, Kobe City Medical Center General Hospital, 4.Department of Stroke Neurology, NHO Osaka National Hospital, 5.Department of Neurosurgery, Hyogo College of Medicine, 6.Department of Clinical Epidemiology, Hyogo College of Medicine)

^○Yuji Ueno¹, Nobukazu Miyamoto¹, Kenichiro Hira¹, Ryosuke Doijiri², Hidekazu Yamazaki³, Kazutaka Sonoda⁴, Junpei Kouge⁵, Tomonori Iwata⁶, Kenichi Todo⁷, Hiroshi Yamagami⁸, Nobutaka Hattori¹ (1.Department of Neurology, Juntendo University Faculty of Medicine, Japan, 2.Department of Neurology, Iwate Prefectural Central Hospital, 3.Department of Neurology, Yokohama Shintoshi Neurosurgical Hospital, 4.Department of Neurology, Saiseikai Fukuoka General Hospital, 5.Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Center, 6.Department of Neurology, Tokai University, 7.Department of Neurology, Osaka University Graduate School of Medicine, 8.Department of Stroke Neurology, National Hospital Organization Osaka National Hospital)

^○Yuki Yamamoto¹, Nobuaki Yamamoto¹, Yasuhisa Kanematsu², Kazutaka Kuroda¹, Koji Fujita¹, Yasushi Takagi², Yuishin Izumi¹ (1.Department of Clinical Neuroscience, Tokushima University Hospital, Japan, 2.Department of Neurosurgery, Tokushima University Hospital)