1. Department of Radiology, Division of Musculoskeletal Radiology, Ajou University School of Medicine, 164, World cup-ro, Yeongtong-gu, Suwon, Gyeonggi-do, South Korea 16499.
2. Musculoskeletal Imaging Laboratory, Ajou University Medical Center, Suwon, South Korea.
3. Department of Orthopaedic Surgery, Ajou University School of Medicine, Suwon, South Korea.