| Affiliation: | 1. Department of Radiology, Pusan National University Hospital, Pusan National University School of Medicine, , Busan, Republic of Korea;2. Department of Radiology, Yonsei University College of Medicine, Severance Hospital, , Seoul, Republic of Korea;3. Department of Radiology, Seoul St. Mary's Hospital, The Catholic University of Korea College of Medicine, , Seoul, Republic of Korea;4. Department of Radiology Neurosurgery, Yonsei University College of Medicine, Severance Hospital, , Seoul, Republic of Korea |
