^○Sho Nakajima¹, Hiroyuki Kawano², Kazuo Yamashiro¹, Ryota Tanaka³, Tomoaki Kameda⁴, Naohide Kurita¹, Kenichiro Hira⁵, Nobukazu Miyamoto⁵, Yuji Ueno⁵, Masao Watanabe¹, Teruyuki Hirano², Shigeru Fujimoto³, Nobutaka Hattori⁵, Takao Urabe¹ (1.Department of Neurology, Juntendo University Urayasu Hospital, Japan, 2.Department of Stroke and Cerebrovascular Medicine, Kyorin University, 3.Division of Neurology, Department of Internal Medicine, Jichi University, 4.Department of Neurology, Shin-Oyama City Hospital, 5.Department of Neurology, Juntendo University)

^○Tesseki Izumi, Hitoki Nanaura, Naohiko Iguchi, Maki Ozaki, Kazuma Sugie (Department of Neurology, Nara Medical University, Japan)

^○Takato Hiramine¹, Mikito Hayakawa^1,2, Atsushi Tsukada^2,3, Akinari Yamano^2,3, Sho Okune¹, Toshihide Takahashi^2,3, Ryosuke Shintoku^2,3, Hisayuki Hosoo^2,3, Yoshiro Ito^2,3, Aiki Marushima^2,3, Yuji Matsumaru^1,2,3 (1.The Department of Stroke, University of Tsukuba hospital, Ibaraki, Japan, 2.Division of Stroke Prevention and Treatment, Faculty of Medicine, University, 3.The Department of Neurosurgery, University of Tsukuba hospital, Ibaraki, Jap)

^○Megumi Hosoya, Sono Toi, Takafumi Mizuno, Ayako Nishimura, Takao Hoshino, Kazuo Kitagawa (Tokyo Women's Medical University, Japan)