[1
]GRID grid.412004.3, ISNI 0000 0004 0478 9977, Department of Surgery and Transplantation, , University Hospital Zurich and University of Zurich, ; Zurich, Switzerland
[2
]GRID grid.468198.a, ISNI 0000 0000 9891 5233, Department of Radiation Oncology, , H. Lee Moffitt Cancer Center and Research Institute, ; Tampa, Florida USA
[3
]GRID grid.5611.3, ISNI 0000 0004 1763 1124, Unit of General and Pancreatic Surgery. Department of Surgery, Dentistry, Paediatrics
and Gynaecology, , University of Verona, ; Verona, Italy
[4
]GRID grid.411935.b, ISNI 0000 0001 2192 2723, Department of Surgery, The Division of Hepatobiliary and Pancreatic Surgery, , Johns Hopkins Hospital, ; Baltimore, MD USA
[5
]GRID grid.411461.7, ISNI 0000 0001 2315 1184, Department of Surgery, , University of Tennessee Graduate School of Medicine, ; Knoxville, TN USA
[6
]Hepatogastroenterology and Gastrointestinal Oncology Department, Hôpital Européen
Georges-Pompidou, AGEO (Association des Gastro-Enterologues Oncologues), Université
de Paris, SIRIC CARPEM, Paris, France
[7
]GRID grid.267370.7, ISNI 0000 0004 0533 4667, Department of Oncology, Asan Medical Center, , University of Ulsan College of Medicine, ; Seoul, Korea
[8
]GRID grid.189967.8, ISNI 0000 0001 0941 6502, Department of Hematology and Oncology, , Winship Cancer Institute, Emory University School of Medicine, ; Atlanta, GA USA
[9
]GRID grid.24381.3c, ISNI 0000 0000 9241 5705, Department of Upper Gastrointestinal Diseases, , Karolinska University Hospital and Department of Clinical Science, Intervention, and
Technology (CLINTEC) at Karolinska Institute, ; Stockholm, Sweden
[10
]GRID grid.8761.8, ISNI 0000 0000 9919 9582, Department of Surgery, The Institute of Clinical Sciences, Sahlgrenska Academy, , University of Gothenburg, ; Gothenburg, Sweden
[11
]GRID grid.31501.36, ISNI 0000 0004 0470 5905, Department of Surgery, Seoul National University College of Medicine, , Seoul National University, ; 28 Yongon-dong, Chongno-gu, Seoul, 110-744 Korea
[12
]GRID grid.265892.2, ISNI 0000000106344187, Division of Surgical Oncology, Pancreatobiliary Disease Center at UAB, , The University of Alabama at Birmingham, ; Birmingham, USA
[13
]GRID grid.24827.3b, ISNI 0000 0001 2179 9593, Division of Surgical Oncology, Department of Surgery, , University of Cincinnati, ; Cincinnati, OH USA
[14
]GRID grid.412703.3, ISNI 0000 0004 0587 9093, Department of Oncology, , Royal North Shore Hospital, ; Sydney, NSW Australia
[15
]GRID grid.7468.d, ISNI 0000 0001 2248 7639, Department of Surgery, Charité – Freie Universität Berlin, , Humboldt-Universität zu Berlin and Berlin Institute of Health, ; Berlin, Germany
[16
]GRID grid.10420.37, ISNI 0000 0001 2286 1424, Departments of Surgery and Comprehensive Cancer Center, , University of Vienna, Medical University of Vienna, ; Vienna, Austria
[17
]GRID grid.452553.0, ISNI 0000 0004 8504 7077, Department of General, Visceral and Transplantation Surgery, Clinic and University
Hospital Virgen de la Arrixaca, , IMIB-ARRIXACA, ; Murcia, Spain
[18
]GRID grid.170693.a, ISNI 0000 0001 2353 285X, University of South Florida School of Medicine, ; Tampa, FL USA
[19
]GRID grid.15444.30, ISNI 0000 0004 0470 5454, Division of Gastroenterology, Department of Internal Medicine, Severance Hospital,
, Yonsei University College of Medicine, ; Seoul, Korea
[20
]GRID grid.240145.6, ISNI 0000 0001 2291 4776, University of Texas MD Anderson Cancer Center, ; Houston, TX USA
[21
]GRID grid.416879.5, ISNI 0000 0001 2219 0587, Section of General, Thoracic and Vascular Surgery, Department of Surgery, , Virginia Mason Medical Center, ; Seattle, WA USA
[22
]GRID grid.7400.3, ISNI 0000 0004 1937 0650, Department of Biostatistics at Epidemiology, Biostatistics and Prevention Institute,
, University of Zurich, ; Hirschengraben 84, 8001 Zurich, Switzerland
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