Affiliation: | (1) Department of Radiology, Osaka City University Graduate School of Medicine, 1-4-3 Asahi-machi, abeno-ku, Osaka 545-8585, Japan;(2) Department of Neurology, Osaka City University Graduate School of Medicine, 1-4-3 Asahi-machi, abeno-ku, Osaka 545-8585, Japan |