Institution: | 1. Department of Radiology, Soonchunhyang University Cheonan Hospital, Cheonan, Korea;2. Department of Radiology, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81 Irwon-Ro, Gangnam-gu, Seoul 06351, Korea;3. Department of Radiology, Inje University College of Medicine, Ilsan Paik Hospital, Goyang, Korea |