1. Department of Medicine and Surgery, University Hospital of Parma, I‑43126 Parma, Italy
2. Radiotherapy Unit, University Hospital of Parma, I‑43126 Parma, Italy
3. Medical Oncology Unit, University Hospital of Parma, I‑43126 Parma, Italy
4. Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, I‑67100 L'Aquila, Italy
5. Medical Oncology Unit, St. Salvatore Hospital, I‑67100 L'Aquila, Italy
6. Clinical Oncology Unit, Santissima Annunziata Hospital, Gabriele D'Annunzio University of Chieti‑Pescara, I‑66100 Chieti, Italy
7. Department of Medical, Oral and Biotechnological Sciences, Gabriele D'Annunzio University of Chieti‑Pescara, I‑66100 Chieti, Italy
8. Department of Radiation Oncology, Santissima Annunziata Hospital, Gabriele D'Annunzio University of Chieti‑Pescara, I‑66100 Chieti, Italy