1. IMAD, Hepato-Gastroenterology & Digestive Oncology, University Hospital of Nantes, 44093 Nantes, France
2. Inserm, CHU Nantes, University of Nantes, Centre de Recherche en Transplantation et Immunologie, UMR 1064, ITUN, 44000 Nantes, France
3. Hepato-Gastroenterology Unit, University Hospital Universita degli Studi della Campania “Luigi Vanvitelli”, 80138 Naples, Italy
4. Institut of Histopathology (IHP), 44104 Nantes, France
5. Department of Gastroenterology, Saint Antoine Hospital, AP-HP, 75012 Paris, France