Ayumi Uchibori, Naoki Moro, Hirohiko Shibuya, Kentaro Nagai, Mizuki Ayano, Masanori Nakajima, Shinichi Tokushige, Chizuko Ohishi, Atsuro Chiba (Department of Neurology, Faculty of Medicine, Kyorin University)

Hiroshi Takazaki, Keiichi Nakagawa, Yuichiro Furuya, Taro Matsui, Midori Horiuchi, Taishi Wada, Keishi Yamazaki, Masato Kadoya, Yukari Komuta, Katsunori Ikewaki, Kenichi Kaida (Division of Neurology, Department of Internal Medicine, National Defense Medical College)

Kazushi Deguchi¹, Tadayuki Takata¹, Kodai Kume¹, Shingo Aoe¹, Tomokazu Doi¹, Wakako Nonaka², Yoshiteru Urai³, Kazuyo Ikeda⁴, Tetsuo Touge⁵, Tsutomu Masaki⁶ (1.Department of Neurology, Kagawa University Hospital, 2.Department of Neurology, NHO Takamatsu Medical Center, 3.Department of Neurology, NHO Minami-Okayama Medical Center, 4.Department of Neurology, Miyake Rehabilitation Hospital, 5.Department of Health Sciences, Kagawa University, 6.Department of Gastroenterology, Kagawa University Hospital)

Kotaro Noda, Yosuke Yagi, Yoichiro Nishida, Satoru Ishibashi, Nobuo Sanjo, Takanori Yokota (Tokyo medical and dental university hospital department of neurology and neurological science)

Masahiro Biyajima, Junji Ikeda, Jin Nonami, Tsuneaki Yoshinaga, Nagaaki Katoh, Yoshiki Sekijima (Department of Medicine(Neurology and Rheumatology), Shinshu University School of Medicine)