Masashi Nakamura¹, Ryo Ogawa¹, Juichi Fujimori¹, Akiyuki Uzawa², Yasunori Sato³, Kengo Nagashima⁴, Nagato Kuriyama^5,6, Satoshi Kuwabara², Ichiro Nakashima¹ (1.Division of Neurology, Department of Medicine, Tohoku Medical and Pharmaceutical University, Japan, 2.Department of Neurology, Graduate School of Medicine, Chiba University, Japan, 3.Department of Preventive Medicine and Public Health, School of Medicine, Keio University, Japan, 4.Clinical and Translational Research Center, Keio University Hospital, Japan, 5.Department of Social Health Medicine, Shizuoka Graduate University of Public Health, Japan, 6.Department of Epidemiology for Community Health and Medicine, Kyoto Prefectural University of Medicine, Japan)

Shinji Aoyama, Masahiro Mori, Akiyuki Uzawa, Hiroki Masuda, Tomohiko Uchida, Mayumi Muto, Ryohei Ohtani, Reiji Aoki, Satoshi Kuwabara (Department of Neurology, Chiba University, Japan)

Akihiro Kondo¹, Yuko Shimizu^1,2, Hayato Sou¹, Ryotarou Ikeguchi¹, Kazuo Kitagawa¹ (1.Department of Neurology, Tokyo Women's Medical University, Japan, 2.Department of Medical Safety, Tokyo Women's Medical University, Japan)

Akio Kimura, Akira Takekoshi, Yoya Ohno, Nobuaki Yoshikura, Takayoshi Shimohata (Department of Neurology, Gifu University Graduate School of Medecine, Japan)