Affiliation: | 1. Department of Radiology, Taipei Veterans General Hospital, Taipei, Taiwan;2. Department of Radiology, Taipei Veterans General Hospital, Taipei, Taiwan School of Medicine, National Yang-Ming University, Taipei, Taiwan;3. Department of Radiology, Taipei Veterans General Hospital, Taipei, Taiwan School of Medicine, National Defense Medical Center, Taipei, Taiwan;4. Department of Radiology, Taipei Veterans General Hospital, Taipei, Taiwan School of Medicine, National Yang-Ming University, Taipei, Taiwan School of Medicine, National Defense Medical Center, Taipei, Taiwan Lo-Hsu Medical Foundation Lotung Poh-Ai Hospital, Yilan, Taiwan Yee Zen General Hospital, Taoyuan, Taiwan |