1. Medical Oncology, S. Salvatore Hospital, University of L’Aquila, 67100 L’Aquila, Italy
2. Department of Biotechnological and Applied Clinical Sciences, University of L’Aquila, 67100 L’Aquila, Italy
3. Radiology, S. Salvatore Hospital, 67100 L’Aquila, Italy
4. Hepatobiliar-Pancreatic Surgery, S. Salvatore Hospital, 67100 L’Aquila, Italy
5. Gastroenterology, S. Salvatore Hospital, 67100 L’Aquila, Italy
6. Infective Disease, S. Salvatore Hospital, 67100 L’Aquila, Italy
7. Pathology, S. Salvatore Hospital, 67100 L’Aquila, Italy