1. Radiation Oncology Section, University of Perugia, Perugia - Italy
2. Nuclear Medicine and PET Centre, San Giovanni Battista Hospital, Foligno - Italy
3. Radiation Oncology Division, Perugia General Hospital, Perugia - Italy
4. Department of Surgery, Division of General, Minimally Invasive and Robotic Surgery, San Matteo Hospital, Spoleto - Italy
5. Division of Pathological Anatomy, San Giovanni Battista Hospital, Foligno - Italy
6. Radiation Oncology Section, University of Perugia and Perugia General Hospital, Perugia - Italy