| Affiliation: | 1. Seoul National University College of Medicine, Department of Surgery and Cancer Research Institute, Seoul, South Korea;2. Seoul National University College of Medicine, Department of Statistics, Seoul, South Korea;3. Johns Hopkins University School of Medicine, Department of Surgery, Baltimore, United States;4. Columbia University, College of Physicians and Surgeon, Department of Surgery, Division of Gastrointestinal and Endocrine Surgery, New York, United States;5. Columbia University Medical Center, Department of Pathology and Cell Biology, New York, United States;6. University of Ulsan College of Medicine, Asan Medical Center, Department of Surgery, Seoul, South Korea;7. Tokyo Women’s Medical University, Department of Surgery, Tokyo, Japan;8. International University of Health and Welfare Mita Hospital, Department of Surgery, Tokyo, Japan;9. National Taiwan University Hospital and National Taiwan Hospital, Department of Surgery, Taipei, Taiwan;10. School of Medicine, Wakayama Medical University, Second Department of Surgery, Wakayama, Japan;11. Kansai Medical University, Department of Surgery, Osaka, Japan;12. Nagoya University, Department of Surgery, Nagoya, Japan;13. Graduate School of Medicine and Pharmaceutical Sciences for Research University of Toyama, Department of Surgery and Science, Toyama, Japan;14. Hokkaido University, Department of Surgery, Hokkaido, Japan;15. Zhongshan Hospital, Fudan University, Department of Pancreatic Surgery, Shanghai, China;16. Institute of Biomedical and Health Sciences, Hiroshima University, Department of Surgery, Hiroshima, Japan;17. Aichi Cancer Center Hospital, Gastroenterological Surgery, Aichi, Japan;18. Karolinska Institute at Center for Digestive Diseases, Karolinska University Hospital, Pancreatic Surgery Unit, Division of Surgery, Department of Clinical Science, Intervention and Technology (CLINTEC), Stockholm, Sweden;19. Sapienza University of Rome, Digestive and Liver Disease Unit, Rome, Italy;20. Sungkyunkwan University School of Medicine, Department of Surgery, Seoul, South Korea;21. Tohoku University, Department of Surgery, Tohoku, Japan;22. Kobe University Graduate School of Medicine, Department of Surgery, Kobe, Japan;23. Kindai University Faculty of Medicine, Department of Surgery, Osaka, Japan;24. Yonsei University College of Medicine, Yonsei Cancer Center, Severance Hospital, Pancreaticobiliary Cancer Clinic, Seoul, South Korea;25. Taipei Veterans General Hospital and National Yang Ming University, Department of Surgery, Taipei, Taiwan;26. Seoul National University Bundang Hospital, Seoul National University College of Medicine, Department of Surgery, Seoul, South Korea;27. Amsterdam Gastroenterology and Metabolism, Academic Medical Center, Department of Gastroenterology and Hepatology, Amsterdam, Netherlands;28. Cancer Center Amsterdam, Academic Medical Center, Department of Surgery, Amsterdam, Netherlands;29. Nara Medical University, Department of Surgery, Nara, Japan;30. Osaka University Graduate School of Medicine, Department of Surgery, Osaka, Japan;31. Yamaguchi University, Gastroenterological, Breast and Endocrine Surgery, Yamaguchi, Japan;32. Kyungpook National University, Department of Surgery, Daegu, South Korea;33. Tokyo Metropolitan Cancer and Infectious diseases Center Komagome Hospital, Department of Surgery, Tokyo, Japan;34. Peking University First Hospital, Department of General Surgery, Beijing, China;35. Chonbuk National University, Department of Surgery, Jeonju, South Korea;36. Soonchunhyang University, Department of Surgery, Asan, South Korea;37. Tokyo Medical University, Department of Surgery, Tokyo, Japan;38. Pusan National University, Department of Surgery, Pusan, South Korea |
