1. Department of Surgery, Seoul National University College of Medicine, Seoul, Korea
2. Department of Radiology, Keimyung University College of Medicine, Daegu, Korea
3. Department of Surgery, Kyung Hee University School of Medicine, Seoul, Korea
4. Department of Surgery, Gachon University College of Medicine, Incheon, Korea
5. Department of Surgery, Keimyung University College of Medicine, Daegu, Korea
6. Department of Surgery, Kyungpook National University School of Medicine, Daegu, Korea
7. Department of Surgery, Chosun University College of Medicine, Gwangju, Korea
8. Department of Surgery, University of Ulsan College of Medicine, Seoul, Korea
9. Department of Surgery, Catholic University College of Medicine, Korea
10. Mint Intervention Clinic, Seongnam, Korea
11. Department of Radiology, Ewha Womans University College of Medicine, Seoul, Korea
12. Department of Radiology, Pusan National University School of Medicine, Yangsan, Korea
13. Department of Radiology, Yonsei University College of Medicine, Seoul, Korea
14. Department of Radiology, Chonnam National University College of Medicine, Gwangju, Korea
15. Department of Radiology, Inha University College of Medicine, Incheon, Korea
16. Department of Radiology, University of Ulsan College of Medicine, Seoul, Korea
17. Department of Surgery, Daegu Catholic University College of Medicine, Daegu, Korea