1. Unit of Digestive; Hepato-Pancreato-Biliary Surgery and Liver Transplantation; Henri Mondor Hospital; AP-HP; University of Paris Est, UPEC; Créteil France
2. Department of Radiology; Henri Mondor Hospital; AP-HP; University of Paris Est, UPEC; Créteil France
3. Unit of Colorectal Surgery; Department of General and Digestive Surgery; Hospital Universitario Doctor Peset; Valencia Spain
4. Service of Abdominal Surgery; Geneva University Hospitals and Medical School; Geneva Switzerland
5. Unit of Colorectal Surgery; Department of General and Digestive Surgery; Hospital Universitario Vall d'Hebron; Barcelona Spain