1. Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
2. Department of Surgery, Korea University College of Medicine, Seoul, Korea
3. Department of Surgery, Korea University Guro Hospital, Seoul, Korea
4. Department of Surgery, Ewha Woman's University School of Medicine, Seoul, Korea
5. Department of Surgery, Yonsei University College of Medicine, Seoul, Korea
6. Department of Surgery, Dong-A University Hospital, Dong-A University College of Medicine, Busan, Korea
7. Department of Surgery, Pusan National University College of Medicine, Busan, Korea
8. Department of Surgery, Kyungpook National University Hospital, School of Medicine, Kyungpook National University, Daegu, Korea
9. Department of Surgery, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea
10. Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
11. Division of Hepatobiliary Surgery and Liver Transplantation, Department of Surgery, Ajou University School of Medicine, Suwon, Korea
12. Center for Liver Cancer, National Cancer Center, Goyang, Korea
13. Department of Surgery, Gachon University Gil Medical Center, Gachon University College of Medicine, Incheon, Korea
14. Department of Surgery, College of Medicine, The Catholic University of Korea, Seoul, Korea
15. Department of Surgery, Seoul National University College of Medicine, Seoul, Korea
16. Department of Surgery, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, Korea
17. Department of Surgery, Keimyung University Dongsan Hospital, Keimyung University School of Medicine, Daegu, Korea