1. Department of Radiology; Seoul National University Bundang Hospital; Nam Gyeongi-do Republic of Korea
2. Department of Radiology; Chung-Ang University Hospital, Chung-Ang University College of Medicine; Seoul Republic of Korea
3. Department of Radiology; College of Medicine, Chungbuk National University; Cheongju Republic of Korea
4. Department of Surgery; Seoul National University College of Medicine, Seoul National University Bundang Hospital; Seongnam Republic of Korea
5. Department of Pathology; Seoul National University College of Medicine, Seoul National University Bundang Hospital; Seongnam Republic of Korea