Universidad de Barcelona - Hospital Clínic Barcelona, Universidad de Barcelona - Hospital Clínic Barcelona, Universidad de Barcelona - Hospital Clínic Barcelona, Hospital Universitario de Canarias, Hospital Universitario de Canarias, Universidad de Barcelona - Hospital Clínic Barcelona, Universidad de Barcelona - Hospital Clínic Barcelona, University of Bonn - University Hospital Bonn (UKB), University of Bologna, University of Bonn - University Hospital Bonn (UKB), University of Bonn - Department of Internal Medicine I, KU Leuven - Department of Gastroenterology and Hepatology, KU Leuven - Molecular Digestive Oncology, Osakidetza Basque Health Service - Galdakao-Usansolo University Hospital, Universitat Pompeu Fabra (UPF) - Hospital del Mar Medical Research Institute, Universitat Pompeu Fabra (UPF) - Hospital del Mar Medical Research Institute, Hospital Universitario de Móstoles, Humanitas University, Humanitas University - Department of Biomedical Sciences, Alvaro Cunqueiro University Hospital, Università Vita-Salute San Raffaele - Gastroenterology and Gastrointestinal Endoscopy Unit, Hospital de la Santa Creu i Sant Pau, Hospital de la Santa Creu i Sant Pau, Universitat de Vic - Universitat Central de Catalunya (UVic-UCC), Universidad Pública de Navarra - IdiSNA, Navarra Institute for Health Research, Universidad Pública de Navarra - IdiSNA, Navarra Institute for Health Research, Universidad de Barcelona - Hospital Clínic Barcelona, Ourense University Hospital, University Miguel Hernández, Universidad de Barcelona - Hospital Clínic Barcelona, Universidad de Barcelona - Hospital Clínic Barcelona and Independent

NHS Foundation Trust - London North West Healthcare NHS Trust, Imperial College London, NHS Foundation Trust - London North West Healthcare NHS Trust, NHS Foundation Trust - London North West Healthcare NHS Trust, Imperial College London, Government of the United Kingdom - Chelsea and Westminster Hospital NHS Foundation Trust, Government of the United Kingdom - Chelsea and Westminster Hospital NHS Foundation Trust, University of Bonn - University Hospital Bonn (UKB), University of Bonn, Royal Marsden NHS Foundation Trust, Universidad de Barcelona - Hospital Clínic Barcelona, Hospital Vall d’Hebron, Humanitas University, Humanitas University, Leiden University, Medical Center (LUMC), Department of Pathology, Hospital MD Anderson, Hospital General Universitario Gregorio Marañon, Osakidetza Basque Health Service - Galdakao-Usansolo University Hospital, Hospital del Mar, Infanta Leonor Hospital, Hospital Clínico San Carlos-IdISSC, Universidad de Alcalá - Hospital Universitario Ramón y Cajal, Hospital Universitario Fundación Alcorcón, University Hospital General de Villalba, Hospital Universitario Vithas Arturo Soria, University of Salamanca - University Hospital of Salamanca, Fundación Jiménez Díaz Hospital, Hospital Universitario de Navarra, University of Salamanca, Vanderbilt University - Medical Center, Government of the United Kingdom - Royal Marsden NHS Foundation Trust, University of Salamanca - University Hospital of Salamanca and Imperial College London

Universidad de Barcelona - Hospital Clínic Barcelona, Universidad de Barcelona - Hospital Clínic Barcelona, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Universidad de Barcelona - Hospital Clínic Barcelona, affiliation not provided to SSRN and affiliation not provided to SSRN