Kazuhiro Honda, Mizuho Koide, Nobuyuki Araki, Isose Sagiri, Takeda Takahiro, Ito Kimiko, Arai Kimihito (NHO Chiba-East Hospital, Department of Neurology)

Kentaro Deguchi, Shoko Deguchi (Okayama city hospital, Department of Neurology)

Ryoji Miyano¹, Takuya Sasaki¹, Mitsuhiro Kainaga¹, Nagatsuki Tomura², Mizuki Kitamura¹, Takahiro Nakayama¹, Tomoki Nakamori³, Ichiro Imafuku¹ (1.Department of neurology, Yokohama Rosai Hospital, 2.Department of neuroendovascular therapy, Yokohama Rosai Hospital, 3.Department of Emergency and Disaster Medicine, Emergency and Critical Care Center, Yokohama Rosai Hospital)

Akiko Takahashi, Suguru Takeshita, Mitsuhiro Kainaga, Reiko Kawasaki, Takahiro Shimizu, Akihiko Mitsutake, Kazuya Satoh, Yusuke Sugiyama, Kaori Sakuishi, Tatsushi Toda (Department of neurology, The University of Tokyo Hospital)

Sayaka Matsumoto, Masayuki Ochi, Anna Takahashi, Michiya Igase, Yasumasa Ohyagi (Department of Neurology and Geriatric Medicine, Graduate School of Medicine, Ehime University)

Takahiro Takeda, Mizuho Koide, Nobuyuki Araki, Sagiri Isose, Kimiko Ito, Kazuhiro Honda, Kimihito Arai (National Hospital Organization Chiba East Hospital)