1. Department of Gastroenterology and Digestive Oncology Saint Louis Hospital, APHP, Université de Paris Paris France
2. Sorbonne Université, Department of Pathology Saint Antoine Hospital Paris France
3. Methodology and Quality of Life Unit in Oncology EA 3181, University Hospital Besançon France
4. Bourgogne Franche‐Comté University INSERM, Etablissement Français du Sang Bourgogne Franche‐Comté, UMR1098, Interactions Hôte‐Greffon‐Tumeur/Ingénierie Cellulaire et Génique Besançon France
5. Department of Oncology Saint Antoine Hospital Paris France
6. Department of Gastroenterology Pontchaillou Hospital, Rennes 1 University; INSERM U1242 Rennes France
7. Department of Hepato‐Gastroenterology CHU de Poitiers Poitiers France
8. Department of Digestive and Hepatobiliary Surgery University Hospital of Clermont‐Ferrand, U1071 INSERM, Clermont‐Auvergne University Clermont‐Ferrand France
9. Department of Gastroenterology CHU Haut‐Lévêque Pessac France
10. Department of Digestive and Oncological Surgery Claude Huriez University Hospital, University Lille Lille France
11. Department of Hepato‐Gastroenterology and Digestive Oncology CHR La Source Orléans France
12. Department of Gastroenterology Polyclinic Bordeaux Nord Bordeaux France
13. Department of Digestive Surgery Lariboisière Hospital Paris France
14. Department of Gastroenterology and Digestive Oncology Georges Pompidou Hospital, APHP, Université de Paris Paris France
15. Department of Oncology CHU Dupuytren Limoges France
16. Department of Hepato‐Gastroenterology and Digestive Oncology Trousseau Hospital Tours France
17. Department of Gastroenterology Avicenne Hospital Bobigny France
18. Centre de Recherche des Cordeliers Sorbonne Université, Inserm, Université de Paris Paris France
19. Department of Biology Georges Pompidou Hospital, APHP, Université de Paris Paris France