Toshiyasu Ogata^1,2, Miki Kawazoe^2,3, Yoshio Tsuboi², Hisatomi Arima³ (1.The department of Neurology, Japanese Red Cross Fukuoka Hospital, Japan, 2.The department of Neurology, Fukuoka University Hospital, Japan, 3.Department of Preventive Medicine and Public Health, Fukuoka University, Japan)

Shinichiro Uchiyama¹, Katsue Inoue², Hideo Wada³, Takehiko Nagao⁴, Yasushi Okada⁵, Teruyuki Hirano⁶ (1.Center for Brain and Cerebral Vessels, Sanno Medical Center, Japan, 2.Department of Clinical and Laboratory Medicine, University of Yamanashi, Japan, 3.Department of General and Laboratory Medicine, Mie Prefectural General Medical Center, Japan, 4.Department of Neurology, Nippon Medical School Musashikosugi Hospital, Japan, 5.Department of Cerebrovascular medicine and Neurology, National Hospital Organization Kyushu Medical Center, Japan, 6.Department of Stroke and Cerebrovascular Medicine, Kyorin University, Japan)

Yoshinari Nagakane, Eijirou Tanaka, Takehiro Yamada, Jun Fujinami, Naoki Tokuda, Soichiro Numa, Shiori Ogura, Keiko Maezono, Masashi Hamanaka (Department of Neurology, Kyoto Second Red Cross Hospital, Japan)

Michiru Horiuchi¹, Tatsuya Ueno¹, Riho Itazawa¹, Hiroki Yoshida¹, Youhei Mikami¹, Takashi Nakamura¹, Rie Haga¹, Akira Arai¹, Masatoshi Iwamura², Hirosi Midorikawa², Masahiko Tomiyama³ (1.Department of Neurology, Aomori Prefectural Central Hospital, Japan, 2.Department of Interventional Neuroradiology, Aomori Prefectural Central Hospital, Japan, 3.Department of Neurology, Hirosaki University School of Medicine, Japan)

Yasuko Matsumoto¹, Hiroto Nakano¹, Kazuyoshi Yamaguchi¹, Yutaka Hayashi², Naoyuki Uchiyama², Yousuke Kawahara², Ayumu Nitta², Wataru Uchida² (1.Ishikawa prefectural central hospital, department of Neurology, Japan, 2.Ishikawa prefectural central hospital, department of Neurolsurgery, Japan)