| Affiliation: | 1. Department of Hepato‐Biliary‐Pancreatic Surgery, Osaka City University Graduate School of Medicine, Osaka, Japan;2. Department of Gastroenterology, Miyagi Cancer Center, Natori, Japan;3. Department of Digestive Surgery, Nippon University School of Medicine, Tokyo, Japan;4. Division of Hepato‐Biliary‐Pancreatic Surgery, Department of Surgery, Tohoku University Graduate School of Medicine, Sendai, Japan;5. Department of Gastroenterology, Aichi Cancer Center Hospital, Nagoya, Japan;6. Department of Surgery, Aichi Cancer Center Hospital, Nagoya, Japan;7. Department of Surgery 1, Sapporo Medical University School of Medicine, Sapporo, Japan;8. Department of Surgery and Sciences, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan;9. Department of Clinical Radiology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan;10. Department of Anatomic Pathology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan;11. Department of Surgery, Fukuoka City Hospital, Fukuoka, Japan;12. Department of Surgery, HaraSanshin Hospital, Fukuoka, Japan;13. Department of Hepato‐Biliary‐Pancreatology, National Hospital Organization Kyushu Cancer Center, Fukuoka, Japan;14. Department of Surgery, Cancer Institute Hospital of Japanese Foundation for Cancer Research, Tokyo, Japan;15. Department of Gastroenterology, Aomori Prefectural Central Hospital, Aomori, Japan;16. Department of Gastroenterology and Hepatology, Kansai Rosai Hospital, Amagasaki, Japan;17. Department of Diagnostic Pathology, Osaka City University Graduate School of Medicine, Osaka, Japan;18. Department of Human Pathology, Kanazawa University Graduate School of Medicine, Kanazawa, Japan;19. Department of Preventive Medicine and Environmental Health, Osaka City University Graduate School of Medicine, Osaka, Japan |
