1. Radiation Oncology Center, Italy
2. Service of Medical Physics, Italy
3. University School of Medicine, Italy
4. Division of Surgery, Italy
5. Department of Surgical Oncology, Italy
6. Division of Medical Oncology, Italy
7. Division of Medicine, Hospital of Foligno, Italy
8. Division of Medicine, Hospital of Marsciano, Italy
9. Department of Pathology, Policlinico Hospital of Perugia, Italy