1. Radiation Oncology Department, General Regional Hospital F. Miulli, Acquaviva delle Fonti, Bari, Italy
2. IRCCS, Advanced Radiation Oncology Department, Sacro Cuore Don Calabria Hospital, Negrar di Valpolicella, Verona, Italy
3. Radiation Oncology Department, Fondazione Policlinico Universitario A.Gemelli, IRCCS, Rome, Italy
4. Hepatobiliary and Pancreatic Surgery Unit, General Regional Hospital F. Miulli, Acquaviva delle Fonti, Bari, Italy
5. Radiology Department, General Regional Hospital F. Miulli, Acquaviva delle Fonti (BA), Bari, Italy
6. Nuclear Medicine Department, General Regional Hospital F. Miulli, Acquaviva delle Fonti (BA), Bari, Italy
7. Medicine Faculty, University of Brescia, Brescia, Italy