1. Division of Hepato-Biliary-Pancreatic Surgery and Transplantation; Department of Surgery; Pusan National University Yangsan Hospital; Pusan National University School of Medicine; Yangsan Korea
2. Research Institute for Convergence of Biomedical Science and Technology; Pusan National University Yangsan Hospital; Yangsan Korea
3. Department of Pathology; Pusan National University Yangsan Hospital; Pusan National University School of Medicine; Yangsan Korea