Yuya Aotsuka¹, Kazumoto Shibuya¹, Sonoko Misawa¹, Tomoki Suichi¹, Hiroki Kano¹, Marie Morooka¹, Ryo Otani¹, Moeko Ogushi¹, Maki Matsui², Kengo Nagashima³, Yasunori Sato³, Nagato Kuriyama^4,5, Satoshi Kuwabara¹ (1.Department of Neurology, Chiba University, Japan, 2.Graduate School of Health Management, Keio University, Japan, 3.Division of Biostatistics, Clinical and Translational Research Center, Keio University Hospital, Japan, 4.Department of Social Health Medicine, Shizuoka Graduate University of Public Health, Japan, 5.Departments of Epidemiology for Community Health and Medicine, Kyoto Prefectural University of Medicine, Japan)

Yu-ichi Noto, Takamasa Kitaoji, Yukiko Tsuji, Toshiki Mizuno (Department of Neurology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Japan)

Naoki Morishita, Shugo Uchida, Akihito Koseki, Tadahisa Kanemoto, Youji Suzuki, Naoki Sakai (Yaizu City Hospital, Japan)

Masaomi Yamamoto, Baku Hashimoto, Atsuo Miyauchi, Yoshihiro Furukawa, Kazunari Monma, Satoru Ouji, Tomohisa Dempo, Kenichi Kaida (Department of Neurology, Saitama Medical Center, Saitama Medical University, Japan)

Takashi Chiba¹, Keiichi Hokkoku¹, Takamichi Kanbayashi¹, Chizuko Oishi², Masahiro Sonoo¹ (1.Department of Neurology, Teikyo University School of Medicine, Japan, 2.Department of Neurology, Kyorin University School of Medicine, Japan)