1. M2iSH, UMR 1071 Inserm, University of Clermont Auvergne, INRAE USC 1382, CRNH, Clermont-Ferrand, France
2. Department of Digestive and Hepatobiliary Surgery, CHU, Clermont-Ferrand, France
3. Department of Pathology, CHU Gabriel Montpied, Clermont-Ferrand, France