Academy of Silesia, Academy of Silesia, Agency of Medical Research, Endomed, Polish Foundation of Gastroenterology, University of Oslo, Karolinska Institutet, Polish Foundation of Gastroenterology, University of Oslo, IRCCS Humanitas Research Hospital - Department of Biomedical Sciences, Academy of Silesia, Sørlandet Hospital, Centre of Gastroenterology, Frontier Science Scotland Ltd, University of Warwick, Universidad de Barcelona - Hospital Clínic Barcelona, University of Cambridge - MRC Cancer Unit, University of Oslo, University of Oslo - Clinical Effectiveness Group, University of Oslo - Clinical Effectiveness Group and Showa University Northern Yokohama Hospital

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