Yoko Okada, Michiya Igase, Yuji Akechi, Satoko Takei, Sayaka Matsumoto, Masayuki Ochi, Hirofumi Ochi, Yasumasa Ohyagi (Department of Geriatric Medicine and Neurology, Ehime University Graduate School of Medicine)

Shoichi Shiraishi¹, Takehiko Yanagihara¹, Shintaro Sugiyama¹, Yoshinobu Okuda², Jo Matsuzaki¹, Tomoko Yoshida¹, Emi Kitamura¹, Fukuko Nishida¹, Natsuki Tanaka¹, Yasuko Matsubara¹, Tomomi Enami¹, Futoshi Aoike² (1.Department of neurology, Tane General Hospital, 2.Tane Neuro-Rehabilitation Hospital)

Takehito Kuroda¹, Satoru Fujiwara¹, Nobuyuki Ohara¹, Tomoyuki Kono¹, Hirotoshi Imamura², Yuka Kamitani³, Masamune Kimura¹, Ryota Tamura¹, Shota Segawa¹, Junichiro Ohira¹, Naoya Mimura¹, Yasutaka Murakami¹, Junko Ishii¹, Hajime Yoshimura¹, Michi Kawamoto¹, Koichi Ariyoshi³, Nobuyuki Sakai², Nobuo Kohara¹ (1.Department of Neurology, Kobe City Medical Center General Hospital, 2.Department of Neurosurgery, Kobe City Medical Center General Hospital, 3.Department of Emergency Medicine, Kobe City Medical Center General Hospital)

Yuichi Kawabata, Yuya Kobayashi, Takuya Saito, Yukako Yazawa, Ryo Itabashi (konan hospital stroke neurology)

Akiko Shinya, Mutsufusa Watanabe, Naoto Aoyama, Saneyuki Mizutani, Hiroto Fujigasaki (Tokyo Metropolitan Bokutoh Hospital)

Yasuhiro Nishiyama¹, Kanako Muraga¹, Toshiaki Otsuka², Hiroshi Nagayama¹, Kazumi Kimura¹ (1.department of neurology at Nippon Medical School, 2.deparment of Hygiene and Public Health)