Affiliation: | 1Department of Radiology, Sungkyunkwan University School of Medicine, Kangbuk Samsung Hospital, Seoul 03181, Korea.;2Department of Radiology, Dongsan Medical Center, Keimyung University School of Medicine, Daegu 41931, Korea.;3Department of Orthopaedic Surgery, Dongsan Medical Center, Keimyung University School of Medicine, Daegu 41931, Korea.;4Department of Radiology, Inje University College of Medicine, Busan Paik Hospital, Busan 47392, Korea. |