1. Department of Radiation Oncology, IRCCS Policlinico San Martino, Genoa, Italy
2. Advanced Radiation Oncology Department, IRCCS Sacro Cuore Don Calabria Hospital, Negrar Di Valpolicella, Italy
3. Radiation Oncology, Santa Chiara Hospital, Trento, Italy
4. Radiation Oncology, Campus Bio-Medico University of Rome, Rome, Italy
5. Radiation Oncology Department, University Hospital of Modena, Modena, Italy
6. Radiation Oncology Department, General Regional Hospital “F. Miulli”, Acquaviva Delle Fonti, Italy
7. Radiotherapy Oncology Department, REM, Catania, Italy
8. Department of Internal Medicine, Radiotherapy Institute, Ospedali Riuniti Umberto I, G.M. Lancisi, G.Salesi, Ancona, Italy
9. Unit of Radiation Oncology, S.Donato Hospital, Arezzo, Italy
10. Radiotherapy Unit 1, Fondazione IRCCS Instituto Nazionale Dei Tumori, Milan, Italy
11. UOC Di Radioterapia, Presidio Ospedaliero San Filippo Neri, Roma, Italy