^○Kou Tsuyama¹, Nobukazu Miyamoto¹, Atsuhiko Shindo¹, Kenichiro Hra¹, Yuji Ueno¹, Kenji Yatomi², Hidenori Oishi², Nobutaka Hattori¹ (1.Department of Neurology, Juntendo University school of medicine, Japan, 2.Department of Neurosurgery, Juntendo University school of medicine)

^○Takayuki Kosaka, Tomoko Amano, Mayumi Tsuda, Yukimoto Tsuda, Yanosuke Kouzaki (Department of Neurology, Kumamoto Medical Center, Japan)

^○Sho Murase¹, Yasufumi Gon¹, Masao Fukumura², Yuzo Kuroda², Kazutomo Nakazawa² (1.Department of Neurology, Kano General Hospital, Japan, 2.Department of Neurosurgery, Kano General Hospital)

^○Kenji Isahaya¹, Yoko Tsuchihashi¹, Yu Suzuki², Masashi Hoshino³, Takahiro Shimizu¹, Hidemichi Ito⁴, Masashi Uchida⁴, Keiko Kimiura⁵, Yusuke Yamashita⁵, Takahuki Hukano¹, Yuta Hagiwara¹, Naoshi Sasaki¹, Hisanao Akiyama¹, Yasuhiro Hasegawa^1,2, Yoshihisa Yamano¹ (1.Division of Neurology, Department of Internal Medicine, St. Marianna University School of Medicine, Japan, 2.Department of Neurology, Shin-yurigaoka General Hospital, 3.Department of Neurology, Machida municipal hospital, 4.Department of Neurosurgary, St Marianna University School of Medicine, 5.Department of Nursing, St. Marianna University Hospital)

^○Kota Sato, Tomoyuki Inoue, Ryo Shimomura, Takahiro Himeno, Yuka Terasawa, Kazuhiro Takamatsu, Yutaka Shimoe, Tatsuo Kohriyama (Brain Attack Center Ota Memorial Hospital, Japan)

^○Kazuhiko Sato, Shouta Igasaki, Takuya Saito, Yuichi Kawabata, Yukako Yazawa (Department of Stroke Neurology, Kohnan Hospital., Japan)

^○Shigen Kasakura, Shinya Kohyama, Satoshi Iihoshi, Eisuke Tsukagoshi (Department of Endovascular Neurosurgery, Saitama Medical University International Medical Center, Japan)

^○Noriaki Tashiro¹, Kenichi Matsuda², Hiroto Kawano², Fumihiro Hiraoka², Shuji Fukuda², Shigetoshi Yano², Hiroshi Aikawa², Yoshinori Go², Kiyoshi Kazekawa² (1.Fukuoka Neurosurgical Hospital Neurology, Japan, 2.Fukuoka Neurosurgical Hospital Neurosurgery)

^○Yasufumi Gon¹, Sho Murase¹, Masao Fukumura², Yuzo Kuroda², Kazutomo Nakazawa² (1.Department of Neurology, Kano General Hospital, Japan, 2.Department of Neurosurgery, Kano General Hospital)

^○Hiroyasu Inoue¹, Masahiro Oomura¹, Yusuke Nishikawa², Mitsuhito Mase², Noriyuki Matsukawa¹ (1.Department of Neurology and Neuroscience, Nagoya City University Graduate School of Medical Sciences, Japan, 2.Department of Neurosurgery, Nagoya City University Graduate School of Medical Sciences)

^○Kenichi Sakuta, Ryoji Nakada, Shinji Miyagawa, Hiroshi Yaguchi (The Jikei University Kashiwa hospital, Japan)

^○Hidesato Takezawa¹, Tomoyuki Ohara², Eijiro Tanaka², Keiko Maezono², Jun Fujinami³, Akihiro Fujii¹, Takehiro Yamada³, Naoki Makita⁴, Naoki Tokuda⁵, Yoshinari Nagakane³, Masashi Hamanaka³, Masahiro Makino⁴, Keisuke Imai⁵, Toshiki Mizuno² (1.Department of Neurology, Saiseikai Shiga Hospital, Japan, 2.Department of Neurology, Kyoto Prefectural University of Medicine, 3.Department of Neurology, Kyoto Second Red Cross Hospital, 4.Department of Neurology, Kyoto Okamoto Memorial Hospital,, 5.Department of Neurology and Stroke Treatment, Kyoto First Red Cross Hospital)

^○Naoki Tokuda¹, Keisuke Imai¹, Atsushi Yamamoto¹, Tetsuya Ioku¹, Toshi Sai¹, Kanako Menjo¹, Masanori Cho¹, Takuma Kato¹, Ryota Ueda², Kazuma Tsuto³, Masashi Hamanaka⁴ (1.Department of Neurology and Stroke Treatment, Kyoto First Red Cross Hospital, Kyoto, Japan, 2.Department of Neurology, North Medical Center, Kyoto Prefectural University of Medicine, Kyoto, Japan, 3.Department of Neurosurgery, Seisho Hospital, Kanagawa, Japan, 4.Department of Neurology, Kyoto Second Red Cross Hospital, Kyoto, Japan)

^○Keisuke Imai¹, Naoki Tokuda¹, Atsushi Yamamoto¹, Tetsuya Ioku¹, Sato Sai¹, Kanako Menjo¹, Masanori Cho¹, Takuma Kato¹, Testuro Takegami², Byonbun An², Masahito Horiguchi², Masahiro Sakaguchi³ (1.Department of Neurology and Stroke Treatment, Kyoto First Red Cross Hospital, Japan, 2.Department of Emergency Room, Kyoto First Red Cross Hospital, 3.Department of Anesthesiology, Kyoto First Red Cross Hospital)

^○Tomoko Yoshida¹, Daichi Kodama¹, Junpei Nishii², Tomomi Enami¹, Syouichi Shiraishi¹, Jou Matsuzaki³, Takehiko Yanagihara¹ (1.Tane General Hospital Neurology, Japan, 2.Tane General Hospital Neurosurgery, 3.Moriguchi Ikuno Memorial Hospital Stroke Internal Medicine)

^○Ryo Usui¹, Daisuke Ishima¹, Ayato Kimura¹, Kotaro Usui¹, Hiroki Suga¹, Toshiyuki Nagai¹, Eriko Kurita¹, Juntaro Kaneko¹, Eiji Kitamura¹, Mami Kanzaki¹, Jun Niki², Daisuke Yamamoto², Tsugio Akutsu¹, Kazutoshi Nishiyama¹ (1.Kitasato University Department of Neurology, Japan, 2.Kitasato University Department of Neurosurgery)

^○Fumiaki Suzuki, Yuki Sakamoto, Kentaro Suzuki, Tomonari Saito, Noriko Matsumoto, Junya Aoki, Yasuhiro Nishiyama, Kazumi Kimura (Department of Neurology, Nippon Medical School, Japan)

^○Takahiro Himeno¹, Shouhei Noguti², Ryuusuke Koori³, Tomoyuki Inoue¹, Kouta Satou¹, Ryou Shimomura¹, Shinzou Oota³ (1.Department of Neurology, Brain attack center Ota memorial hospital, Japan, 2.Department of Spinal surgery, Brain attack center Ota memorial hospital, 3.Department of Neurosurgery, Brain attack center Ota memorial hospital)