Takeo Sato, Kenichiro Sakai, Ryoji Nakada, Tomotaka Shiraishi, Teppei Komatsu, Kenichi Sakuta, Yuka Terasawa, Shusaku Omoto, Hidetomo Murakami, Hidetaka Mitsumura, Yasuyuki Iguchi (Department of Neurology, the Jikei University School of Medicine, Tokyo, Japan)

Yuki Hamada, Kentaro Tatsuno, Takayuki Fukano, Yoshiaki Tokuyama, Satoshi Takaishi, Noriko Usuki, Tatsuro Takada, Yasuyuki Yoshida, Hajime Ono, Toshihiro Ueda (St. Marianna University Toyoko Hospital, Stroke center, Japan)

Satoru Fujiwara¹, Nobuyuki Ohara¹, Tomoyuki Kono¹, Hirotoshi Imamura², Yasutaka Murakami¹, Hidemitsu Adachi², Nobuyuki Sakai², Nobuo Kohara¹ (1.Kobe City Medical Center General Hospital, Department of Neurology, Japan, 2.Kobe City Medical Center General Hospital, Department of Neurosurgery)

Ryo Iwase^1,2, Takashi Irioka¹, Yuko K Takahashi^1,2, Susumu Igarashi¹, Tai Otani^1,2, Kazumasa Soga¹, Takanori Yokota² (1.Department of Neurology, Yokosuka Kyosai Hospital, Kanagawa, Japan, 2.Department of Neurology and Neurological Science, Graduate School, Tokyo Medical and Dental University, Tokyo, Japan)