Université Paris Cité, Universite Paris Descartes, Sorbonne University, University of Besançon - University Hospital Besançon, INSERM UMR 1231 CADIR, Université Paris Cité, CHU de Reims, Hospital Center University Pontchaillou, Clinique Sainte-Catherine, University of Paris-Saclay - Hôpital Foch, Institut Mutualiste Montsouris, Sorbonne University - Hôpital Pitié-Salpêtrière, Department of Gastroenterology, University of Besançon - University Hospital Besançon, University of Besançon - University Hospital Besançon, Scientific Institute for Research, Hospitalization and Healthcare (IRCCS) - IRCCS Veneto Institute of Oncology (IOV-IRCCS) and Université Paris Cité

affiliation not provided to SSRN, Gustave Roussy, Université de Poitiers - Gastroenterology Department, University of Besançon - University Hospital Besançon, affiliation not provided to SSRN, CHRU Tours, Université Paris Cité, Bergonié Institute, affiliation not provided to SSRN, Université Paris VI Pierre et Marie Curie - Hôpital Saint-Antoine, affiliation not provided to SSRN, Centre Hospitalier Universitaire de Toulouse, affiliation not provided to SSRN, Assistance Publique-Hôpitaux de Paris - Hôpital Cochin, Assistance Publique-Hopitaux de Paris (AP-HP) - Hôpital Européen Georges Pompidou, Centre Eugène Marquis - Medical Oncology, affiliation not provided to SSRN, Groupe Hospitalier Diaconesses-Croix St-Simon, affiliation not provided to SSRN and University of Lille - CHU Lille