^○Mami Takahashi¹, Masayoshi Tada¹, Midori Watanabe¹, Yohei Iwafuchi¹, Kanako Sekiya¹, Junsuke Shimbo², Ken-ichi Morita², Aki Sato¹, Shuichi Igarashi¹ (1.Dept. of Neurology, Niigata City General Hospital, Japan, 2.Dept. of Cerebrovascular medicine, Niigata City General Hospital)

^○Yoko Taniguchi, Teppei Fujioka, Masayuki Mizuno, Masahiro Oomura, Kenji Okita, Noriyuki Matsukawa (Nagoya City University Hospital, Japan)

^○Yoshinari Nagakane, Eijirou Tanaka, Takehiro Yamada, Masashi Hamanaka, Jun Fujinami, Toru Kishitani, Soichiro Numa, Daiki Fukunaga, Yuki Shimizu, Shohei Murata (Department of Neurology, Kyoto Second Red Cross Hospital, Japan)

^○Koji Nakashima, Hirofumi Koide, Miku Hayashi, Chihiro Ito, Tomoko Yuasa, Akihiro Yasumoto, Hiroaki Ando, Sotaro Taguchi, Akifumi Fujikake, Takaaki Fukuoka, Keisuke Tokui, Yuichi Kawagashira, Yohei Okada, Junichi Niwa, Manabu Doyu (Department of Neurology, Aichi Medical University Hospital, Japan)

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

^○Hikaru Watanabe¹, Masayuki Suzuki¹, Kumiko Miura¹, Tadashi Ozawa¹, Kousuke Matuzono¹, Takahumi Mashiko¹, Tomoaki Kameda², Shunichi Okada², Reiji Koide¹, Tadataka Kawakami², Shigeru Fujimoto¹, Ryota Tanaka¹ (1.Division of Neurology, Jichi Medical University, Japan, 2.Department of Neurology, Shin Oyama City Hospital)

^○Eri Sano¹, Shimon Ishida¹, Tohru Takeuchi², Yoshifumi Nakaya³, Shigeki Arawaka¹ (1.Department of Internal Medicine 4, Division of Neurology, Osaka Medical College, Japan, 2.Department of Internal Medicine 4, Division of Rheumatology, Osaka Medical College, 3.Department of Neurology, Kyoto City Hospital)

^○Koji Furukawa, Yasuhisa Sakurai, Yuwa Oka, Sadayuki Matsumoto (Department of Neurology, Kitano Hospital, The Tazuke Kofukai Medical Research Institute, Japan)

^○Akiko Watanabe^1,2, Ikuko Mizuta¹, Takashi Koizumi³, Isao Yokota⁴, Mao Mukai¹, Ai Hamano¹, Masaki Kondou¹, Akihiro Fyjii⁵, Masaru Matsui⁶, Koushun Matsuo⁷, Keita Ito⁸, Satoshi Teramukai⁹, Kei Yamada¹⁰, Masanori Nakagawa³, Toshiki Mizuno¹ (1.Department of Neurology , Graduate School of Medical Science, Kyoto prefectural University of Medicine, Japan, 2.Department of Neurology, Fukuchiyama City Hospital, Japan, 3.Department of neurology , Kyoto prefectural University of Medicine, 4.Department of Biostatistics, Graduate School of Medicine Hokkaido University, 5.Department of Neurology, Saiseikai Shiga Hospital, 6.Department of Neurology, Otsu Red-Cross Hospital, 7.Department of Neurology, Omihachiman Community Medical Center, 8.Department of Neurology, Hekinan Municipal Hospital, 9.Department of Biostatistics , Graduate School of Medical Science, Kyoto prefectural University of Medicine, 10.Department of Radiology , Kyoto prefectural University of Medicine)

^○Hana Takahashi¹, Ayako Shioya¹, Akiko Oda¹, Kazuya Nagasaki², Hiroyuki Kobayashi², Akira Tamaoka³ (1.Department of Neurology, Mito Kyodo General Hospital, Tsukuba University Hospital Mito Area Medical Education Center, Ibaraki, Japan, 2.Department of General Internal Medicine, Mito Kyodo General Hospital, Tsukuba University Hospital Mito Area Medical Education Center, Ibaraki, Japan, 3.Department of Neurology, Facility of Medicine, University of Tsukuba, Ibaraki, Japan)

^○Ichiko Ikegami, Takao Fukushima, Toshiya Kizaki, Aiko Isami, Hiroaki Nozaki, Kunihiko Makino (Niigata Prefectural Shibata Hospital Department of Neurology, Japan)

^○Yusuke Sakata^1,2, Masayoshi Tada^1,2, Jyunki Fukumoto^1,2, Midori Watanabe¹, Yohei Iwahuchi¹, Ayaka Ono¹, Mami Takahashi¹, Koji Ohara^1,3, Mariko Hokari¹, Kanako Sekiya¹, Jyunsuke Shinbo², Kenichi Morita², Aki Sato¹, Shuichi Igarashi^1,2 (1.Department of Neurology, Niigata City General Hospital, Japan, 2.Department of Cerebrovascular medicine, Niigata City General Hospital, Japan, 3.Department of Neurology, Shinrakuen Hospital)