Hiroaki Fujita, Keitaro Ogaki, Narihiro Nozawa, Tomohiko Shiina, Hirotaka Sakuramoto, Keisuke Suzuki (Department of Neurology, Dokkyo Medical University, Japan)

Masakazu Ozawa^1,3, Ryo Morishima¹, Kota Bokuda¹, Hideki Kimura¹, Tomoya Kawazoe¹, Kazuma Shinozuka², Kiyomi Koike², Takashi Komori², Toshio Shimizu¹, Kazushi Takahashi¹ (1.Department of Neurology, Tokyo Metropolitan Neurological Hospital, Japan, 2.Department of Laboratory Medicine , Tokyo Metropolitan Neurological Hospital, Japan, 3.Department of Neurology, The Jikei University School of Medicine, Japan)

Masashi Suzuki^1,2, Chisato Oba¹, Mai Hatanaka¹, Masahisa Katsuno¹ (1.Department of Neurology, Nagoya University Graduate School of Medicine, Japan, 2.Department of Clinical laboratory, Nagoya University Hospital, Japan)

Kazushi Deguchi¹, Wakako Nonaka¹, Rie Kawakita¹, Keita Takaba¹, Masashi Kino¹, Makoto Kita¹, Yuta Chiba¹, Jun Kurimoto¹, Yasuhiro Hamada¹, Tadayuki Takata¹, Tetsuo Touge¹, Tsutomu Masaki² (1.Department of Neurology, Kagawa University Hospital, Japan, 2.Department of Gastroenterology, Kagawa University Hospital, Japan)

Akiko Saito¹, Koki Masaoka¹, Asami Munekane¹, Yumiko Kutoku¹, Yutaka Osawa¹, Masahito Mihara¹, Hirotake Nishimura², Hiroyo Yoshino³, Kenya Nishioka³, Yoshihide Sunada¹ (1.Department of Neurology, Kawasaki Medical School, Japan, 2.Department of Pathology, Kawasaki Medical School, Japan, 3.Institute for Diseases of Old Age, Juntendo University, Japan)

Akinori Futamura, Toshiatsu Obi, Masato Keicho, Shinpei Watanabe, Kaoru Matsuoka, Youko Nabeshima, Yuyuko Osakabe, Seiya Takahashi, Tarou Yasumoto, Shouhei Nomoto, Yasuhiko Baba (Department of Neurology, Showa University Fujigaoka Hospital, Japan)