Masako Kudo¹, Yasuhiro Ishibashi¹, Hisashi Yonezawa¹, Haruki Shimoda², Kiyomi Sakata², Seiichiro Kobayashi³, Akira Ogawa³, Yasuo Terayama¹ (1.Department of Neurology and Gerontology, Iwate Medical University, 2.Department of Hygiene and Preventive Medicine, Iwate Medical University, 3.Iwate Medical University)

Yasuhiro Ishibashi¹, Masako Kudo¹, Hisashi Yonezawa¹, Haruki Shimoda², Kiyomi Sakata², Seiichiro Kobayashi³, Akira Ogawa³, Yasuo Terayama¹ (1.Department of Neurology and Gerontology, Iwate Medical University, 2.Department of Hygiene and Preventive Medicine, Iwate Medical University, 3.Iwate Medical University)

Yoshiharu Nakae¹, Yuka Kawaguchi¹, Masayuki Furuya¹, Tamaki Yoshida¹, Fumiaki Tanaka² (1.Department of Neurology, Saiseikai Yokohamashi Nanbu Hospital, 2.Department of Neurology and Stroke Medicine, Yokohama City University Graduate School of Medicine)

Atsuko Nihira, Gampei Nakahara, Akiko Hamauchi, Takenori Abe, Masahiro Mizobuchi, Kazuya Sako (department of neurology, Nakamura memorial hospital)

Jun-ichi Yokota^1,2,3, Satoe Shimoda^2,3 (1.Dept of Neurology, Amakusa Rehabilitation Hospital, 2.Dept of Neurology, Juntendo University Hospital, 3.Ginza Internal Medicine & Neurology Clinic)

Ryosuke Fukazawa¹, Ryotaro Ishii², Fumitoshi Niwa³, Hidesato Takezawa¹, Akihiro Fujii¹, Masanori Nakagawa³ (1.Saiseikai Shiga Hospital, Department of Neurology, 2.North Medical Center Kyoto Prefectural University of Medicine, Department of Emergency and Disaster Medical systems, 3.North Medical Center Kyoto Prefectural University of Medicine, Department of Neurology)