1. Radiation Oncology, Department of Radiotherapy, O. Policlinic “A. Perrino”, Strada Statale 7 per Mesagne, Brindisi 72100, Italy
2. Nuclear Medicine Unit, A. O. Policlinic “A. Perrino”, Strada Statale 7 per Mesagne, Brindisi 72100, Italy
3. Nuclear Medicine Unit, Interdisciplinary Department of Medicine, University of Bari Aldo Moro, Piazza Giulio Cesare 11, Bari 70124, Italy
4. Radiotherapy Unit, Clinical Cancer Centre, AUSL-IRCCS, Reggio Emilia, Italy
5. Section of Radiology and Radiation Oncology, Interdisciplinary Department of Medicine, University of Bari Aldo Moro, Piazza Giulio Cesare 11, Bari 70124, Italy