1. Radiation Oncology Center Department of Experimental, Diagnostic and Specialty Medicine – DIMES University of Bologna S. Orsola‐Malpighi Hospital Bologna Italy
2. Radiotherapy Unit Gemelli Molise Hospital Campobasso Italy
3. Istituto di Radiologia Università Cattolica del Sacro Cuore Rome Italy
4. Medical Physics Unit Gemelli Molise Hospital Campobasso Italy
5. San Rossore Private Hospital Pisa Italy
6. Radiotherapy Unit Belcolle Hospital Viterbo Italy
7. Institute of Oncology Vojvodina Sremska Kamenica, Medical Faculty University of Novi Sad Novi Sad Serbia
8. Unit of Radiation Therapy IRCCS “Casa Sollievo della Sofferenza” San Giovanni Rotondo San Giovanni Rotondo Italy
9. UOC Radioterapia Oncologica Dipartimento di Diagnostica per Immagini Radioterapia Oncologica ed Ematologia Fondazione Policlinico Universitario "A. Gemelli" IRCCS Rome Italy
10. Radiation Oncology Campus Bio‐Medico University Rome Italy
11. Radiation Oncology Azienda Ospedaliero‐Universitaria Careggi Florence Italy
12. Department of Radiotherapy Policlinico San Martino University of Genoa Genoa Italy
13. Radiotherapy Unit Azienda Ospedaliera San Gerardo Monza Italy
14. Radiation Therapy Candiolo Cancer Institute – FPO IRCCS Candiolo Candiolo Italy
15. Oncology Unit Department of Experimental Diagnostic and Specialty Medicine – DIMES, University of Bologna S. Orsola‐Malpighi Hospital Bologna Italy
16. Department of Radiotherapy Azienda Ospedaliera Universitaria Integrata Verona Italy