^○Yoshito Arakaki^1,3, Hideki Nakajima², Yusuke Namba³, Satoshi Fujie⁴, Ayano Hamai³, Masashi Aida³, Misa Sogi³, Toshio Fukutake¹, Shuji Hirata² (1.Department of Neurology, Kameda Medical Center, 2.Department of Neurology, Awa Regional Medical Center, 3.Department of General Medicine, Awa Regional Medical Center, 4.Department of Emergency, Awa Regional Medical Center)

^○Mayako Niwa, Junko Taruya, Yasuhiro Hiwatani (Department of Neurology, Shingu Municipal Medical Center, Wakayama, Japan)

^○Toru Kishitani, Masashi Hamanaka, Takehiro Yamada, Eijiro Tanaka, Soichiro Numa, Daiki Fukunaga, Yosuke Nishii, Yoshinari Nagakane (Kyoto Second Red Cross Hospital)

^○Satoshi Kubo, Megumi Takenaka, Hiroki Fujii, Takeshi Kitamura (Chugoku Rosai Hospital, neulorogy)

^○Seiko Hirota, Kunihisa Katou, Yoshiki Niimi, Kazutaka Hayashi, Fumihiko Banno, Atsuhiro Higashi, Koichi Kikuchi, Ryunosuke Nagao, Toshiki Maeda, Kenichiro Murate, Tomomasa Ishikawa, Yasuaki Mizutani, Sayuri Shima, Akihiro Ueda, Shinji Ito, Tatsuro Mutoh, Hirohisa Watanabe (Department of Neurology, Fujita Health University School of Medicine)

^○Yoshinori Hirata¹, Natsuko Kato^1,3, Kanako Muraga¹, Akihiro Shindo¹, Keita Matsuura¹, Yuichiro Ii¹, Mariko Shiga², Ken-ichi Tabei³, Masayuki Satoh^2,3, Satoshi Fujita⁴, Yoshihiko Kagawa⁴, Eitaro Fujii⁴, Masaaki Ito⁴, Maki Umino⁵, Masayuki Maeda^5,6, Hidekazu Tomimoto^1,2 (1.Department of Neurology, Mie University Graduate School of Medicine, 2.Mie Prefectural Dementia-Related Disease Medical Center, 3.Department of Dementia Prevention and Therapeutics, Mie University Graduate School of Medicine, 4.Department of Cardiology and Nephrology, Mie University Graduate School of Medicine, 5.Department of Radiology, Mie University Graduate School of Medicine, 6.Department of Advanced Diagnostic Imaging, Mie University Graduate School of Medicine)

^○Ganpei Nakahara¹, Sho Seo¹, Takenori Abe¹, Atsuko Nihira¹, Masahiro Mizobuchi¹, Kazuya Sako¹, Hidetoshi Ono² (1.Nakamura Memorial Hospital department of neurology, 2.Nakamura Memorial Hospital department of radiology)

^○Yuki Yamamoto¹, Nobuaki Yamamoto¹, Kazutaka Kuroda¹, Takeshi Miyamoto², Kenji Shimada², Yasuhisa Kanematsu², Yasushi Takagi², Yuishin Izumi¹ (1.Department of Clinical Neuroscience, Tokushima University, 2.Department of Neurosurgery, Tokushima University)

^○Ryoo Yamamoto^1,2, Hiroyuki Ootaki¹, Eriko Sugawara¹, Noriko Nara¹, Yuu Amano¹, Yosuke Kudo¹, Masao Kishimoto², Kazumitsu Aamari², Yasunobu Nakai², Fumiaki Tanaka^1,3, Ken Johkura¹ (1.Department of Neurology, Yokohama Brain and Spine Center, 2.Department of Neuro-endovascular therapy, Yokohama Brain and Spine Center, 3.Department of Neurology and Stroke Medicine, Yokohama City University Graduate School of Medicine)

^○Yuya Kano¹, Yoshitaka Nakamura¹, Yoko Taniguchi¹, Taro Kitamura¹, Toshiyasu Miura¹, Masahiro Muto², Keita Sakurai³, Shohei Inui³, Hiroyuki Yuasa⁴, Kentaro Yamada¹ (1.Department of Neurology, Nagoya City East Medical Hospital, 2.Department of Radiology, Nagoya City East Medical Hospital, 3.Department of Radiology, Teikyo University School of Medicine, 4.Department of Neurology, Tosei General Hospital)