^○Keiko Ohnari, Yukio Iwanaka, Tomoyo Hashimoto, Kazumasa Okada, Hiroaki Adachi (University of Occupational Environmental Health, Japan)

^○Kazusa Takahashi^1,2, Shunsuke Kobayashi¹, Yuichi Hamada¹, Takamichi Kanbayashi¹, Yuki Hatanaka¹, Masahito Kobayashi³, Kazutoshi Nishiyama², Masahiro Sonoo¹ (1.Department of Neurology, Teikyo University school of Medicine, Japan, 2.Department of Neurology, Kitasato University school of Medicine, Japan, 3.Faculty of Economics, Yokohama National University)

^○Toshio Shimizu¹, Kota Bokuda¹, Hideki Kimura¹, Tomoya Kawazoe¹, Ryo Morishima¹, Aki Murayama¹, Yuki Nakayama², Kazushi Takahashi¹ (1.Department of Neurology, Tokyo Metropolitan Neurological Hospital, Japan, 2.Unit for Intractable Disease Nursing Care, Tokyo Metropolitan Institute of Medical Science)

^○Yasuko Matsumoto, Kazuyoshi Yamaguchi, Hiroto Nakano, Miwako Asakawa (Ishikawa prefectural central hospital, Department of Neurology, Japan)