1. Division of Hepato-Biliary and Pancreatic Surgery, Department of Surgery, University Hospital del Mar-IMIM (Hospital del Mar Medical Research Institute), Barcelona, Spain
2. Department of Radiology, Hospital del Mar, Barcelona, Spain
3. Departament de Medicina i Cirurgia Animals, Facultat de Veterinària, Universitat Autònoma de Barcelona, Barcelona, Spain
4. BioMIT, Department of Electronic Engineering, Universitat Politècnica de València, Valencia, Spain