^○Tatsuo Ihara¹, Yoshimasa Niiya², Masahito Kawabori³, Ikuma Satou², Koji Furukawa², Motoyuki Iwasaki² (1.Department of Neurology, Otaru General Hospital, 2.Department of Neurosurgery, Otaru General Hospital, 3.Department of Neurosurgery, Hokkaido University)

^○Kentaro Tatsuno, Naoki Takao, Yuki Hamada, Takayuki Fukano, Yoshiaki Tokuyama, Satoshi Takaishi, Noriko Usuki, Tatsuro Takada, Yasuyuki Yoshida, Hejime Ono, Toshihiro Ueda (St.Marianna University Toyoko Stoke center)

^○Shiro Yamamoto¹, Takeshi Ikegami¹, Boohan Hyun¹, Keiko Nagano¹, Kiyoshi Mori², Toshiyuki Fujinaka³, Kazuo Hashikawa¹ (1.Division of Stroke Medicine, Osaka National Hospital, 2.Department of Pathology, Osaka National Hospital, 3.Department of Neurosurgery, Osaka National Hospital)

^○Shigeru Nogawa¹, Tetsuro Abe¹, Yuka Chin¹, Taira Nakayama¹, Hideaki Shigematsu², Masaaki Imai², Kentaro Tokuoka¹, Fuminari Komatsu², Shinri Oda², Masami Shimoda² (1.Department of Neurology, Tokai University Hachioji Hospital, 2.Department of Neurosurgery, Tokai University Hachioji Hospital)

^○Toshiyasu Ogata¹, Yoshio Tsuboi¹, Masaki Takahara², Takashi Morishita², Hiroshi Abe², Toshio Higashi², Tooru Inoue² (1.Department of Neurology, Fukuoka University, Japan, 2.Department of Neurosurgery, Fukuoka University, Japan)

^○Kim Lim Koo¹, Noor Azlin Ahmad², Tara Mahadevan¹, Pek Woon Chin¹ (1.Department of Medicine, Hospital Enche' Besar Hajjah Khalsom, Kluang, Johor, Malaysia, 2.Radiology Department, Hospital Enche' Besar Hajjah Khalsom, Kluang, Johor, Malaysia)