1. Inserm U954 and Department of Hepatogastroenterology, Nancy University Hospital, Vandoeuvre-lès-Nancy, France
2. Department of Pathology, Nancy University Hospital, Vandoeuvre-lès-Nancy, France
3. Department of Pathology, Metz Mercy Hospital, Metz, France
4. Department of Hepatogastroenterology, Besançon University Hospital, Besançon, France
5. Department of Pathology, Besançon University Hospital, Besançon, France
6. Inserm CIC-EC CIE6, Vandoeuvre-lès-Nancy, France and Department of Epidemiology and Clinical Evaluation, Nancy University Hospital, Vandoeuvre-lès-Nancy, France
7. Department of Hepatogastroenterology, Metz Mercy Hospital, Metz, France