Takaaki Hattori1, Ryo Sato2, Shigeki Aoki3, 4, Sumio Ishiai5
1Department of@Neurology, Kanto Central Hospital, Setagaya-ku, Tokyo, Japan; 2Department of Radiological Sciences, Graduate School of Human Health Sciences,, Tokyo Metropolitan University, Arakawa-ku, Tokyo, Japan; 3Department of Radiology, School of Medicine, Juntendo University, Tokyo, Japan; 4Department of Radiology, Juntedo Univerisity, Tokyo, Japan; 5Department of Rehabilitation Medicine, Sapporo Medical University, Sapporo, Japan