1. Department of Radiology, San Raffaele Scientific Institute, Milan, Italy
2. Department of Vascular Surgery, San Raffaele Scientific Institute, Milan, Italy
3. Department of Pancreatic Surgery, San Raffaele Scientific Institute, Milan, Italy
4. Department of Hepatobiliary Surgery, San Raffaele Scientific Institute, Milan, Italy
5. Vita-Salute San Raffaele University, Milan, Italy