| Affiliation: | 1. Department of Surgery, Graduate School of Medicine, Osaka University, Suita, Japan;2. Department of Gastroenterological, Breast and Endocrine Surgery, Yamaguchi University Graduate School of Medicine, Ube, Japan;3. Department of Gastroenterology and Hepatology, Kyoundo Hospital of the Sasaki Institute, Tokyo, Japan;4. Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan;5. Department of Gastroenterology, Kanazawa University Hospital, Kanazawa, Japan;6. Department of Gastroenterology, University of Tokyo, Tokyo, Japan;7. Department of Clinical Oncology, Kochi Health Science Center, Kochi, Japan;8. Department of Surgery, Division of Frontier Medical Science, Programs for Biomedical Research, Graduate School of Biomedical Sciences, Hiroshima University, Hiroshima, Japan;9. Department of Gastroenterology and Hepatology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan;10. Division of Gastroenterology, Department of Medicine, Kurume University School of Medicine, Kurume, Japan;11. Department of Hepato‐Biliary‐Pancreatic Surgery, Osaka City University Graduate School of Medicine, Osaka, Japan;12. Department of Surgery, Surgical Oncology & Science, Sapporo Medical University, Sapporo, Japan;13. Division of Hepatobiliary and Pancreatic Disease, Department of Internal Medicine, Hyogo College of Medicine, Nishinomiya, Japan;14. Department of Biostatistics, Yokohama City University School of Medicine, Yokohama, Japan;15. Translational Research Informatics Center, Foundation for Biomedical Research and Innovation, Kobe, Japan |
