1. Division of Hepato-Biliary-Pancreatic Surgery, Department of Surgery, Keimyung University Dongsan Hospital, Daegu, Korea
2. Division of Hepato-Biliary-Pancreatic Surgery, Department of Surgery, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, Yangsan, Korea
3. Division of Hepatopancreaticobiliary Surgery, Yonsei University College of Medicine, Seoul, Korea
4. Division of HBP Surgery and Liver Transplantation, Department of Surgery, Korea University College of Medicine, Seoul, Korea
5. Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
6. Department of Surgery, Dong-A University College of Medicine, Busan, Korea
7. Division of Hepatobiliary, Pancreas, and Abdominal Organ Transplant, Department of Surgery, Incheon St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Incheon, Korea
8. Department of Surgery, Daegu Catholic University School of Medicine, Daegu, Korea
9. Department of Surgery, Gacheon University Gil Medical Center, Incheon, Korea
10. Division of Hepatobiliary Surgery and Liver Transplantation, Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea