1. Reims-Champagne-Ardenne University, Department of Hepato-Gastroenterology and Digestive Oncology, Robert Debré Hospital , Reims 51100 , France
2. Department of Digestive Oncology, ENETS Centre of Excellence, Hospices Civils de Lyon , Lyon 69003 , France
3. Department of Endocrinology, Diabetology & Nutrition, Hôpital Hautepierre, Strasbourg University Hospital, Strasbourg 67200 , France
4. Department of Gastroenterology, Pontchaillou University Hospital, Rennes University, INSERM U1242 , Rennes 35000 , France
5. Federation Francophone de Cancérologie Digestive (FFCD), EPICAD INSERM LNC-UMR 1231, University of Burgundy and Franche Comté , Dijon 21000 , France
6. Department of Hepato-Gastroenterology and Digestive Oncology, Amiens University Hospital , Amiens 80480 , France
7. Department of Endocrinology, Hôpital Claude Huriez, Lille University Hospital , Lille 59000 , France
8. Department of Hepato-Gastroenterology and Digestive Oncology, Haut-Lévêque Hospital, Bordeaux University Hospital , Pessac 33600 , France
9. Department of Endocrinology, University Hospital of Brest , Brest 29200 , France
10. Université Paris-Cité, Department of Pathology, ENETS Centre of Excellence, Beaujon Hospital (APHP.Nord) , Clichy 92110 , France
11. Université Paris-Cité, Department of Pancreatology and Digestive Oncology, ENETS Centre of Excellence, Beaujon Hospital (APHP.Nord) , Clichy 92110 , France