^○Izumi Kawachi^1,2 (1.Department of Neurology, Brain Research Institute, Niigata University, Japan, 2.Medical Education Center, Niigata University School of Medicine, Japan)

^○Jin Nakahara (Department of Neurology, Keio University School of Medicine, Japan)

^○Yuko Shimizu (Department of Neurology, Tokyo Women's Medical University, Japan)

^○Yusei Miyazaki (Department of Neurology, National Hospital Organization Hokkaido Medical Center, Japan)