Affiliation: | (1) Department of Radiology, Seoul National University Bundang Hospital, 300 Gumidong, Bundang-Gu, Seongnam-si, Gyeonggi-do, 463-707, Korea;(2) Department of Orthopaedic Surgery, Seoul National University Bundang Hospital, 300 Gumidong, Bundang-Gu, Seongnam-si, Gyeonggi-do, 463-707, Korea |