^○Masayuki Tahara^1,2 (1.Clinical Research Center, National Hospital Organization Utano National Hospital, Japan, 2.Department of rehabilitation, National Hospital Organization Utano National Hospital, Japan)

^○Sonoko Misawa (Department of Neurology, Chiba university Graduate School of Medicine, Japan)

^○Yuishin Izumi¹, Ryosuke Oki², Ryuji Kaji^1,3 (1.Department of Neurology, Tokushima University Graduate School of Biomedical Sciences, Japan, 2.Department of Neurology, Tokushima University Hospital, 3.Utano National Hospital, National Hospital Organization)

^○Etsuro Matsubara (Department of Neurology, Faculty of Medicine, Oita University, Japan)

^○Ken Sakushima (Pharmaceuticals and Medical Devices Agency, Japan)