1. Division of Radiation Oncology, IEO, European Institute of Oncology, IRCCS, Milano, Italy
2. Department of Oncology and Hemato-Oncology, University of Milan, Milano, Italy
3. Radiotherapy Unit, ASST Ospedale Niguarda, Milano, Lombardia, Italy
4. Radiation Oncology Centre, ASST Cremona, Cremona, Lombardia, Italy
5. Radiation Oncology Centre, Istituti Clinici Scientifici Maugeri, IRCCS, Pavia, Italy
6. Radiation Oncology Centre, Ospedale C. Poma, Mantova, Italy
7. Radiation Oncology Centre, Ospedale di Circolo e Fondazione Macchi, ASST dei Sette Laghi, Varese, Italy
8. Department of Radiation Oncology, Ospedale S. Gerardo and University of Milan Bicocca, Monza, Italy
9. Radiation Oncology Centre, Istituto Clinico S. Anna, Brescia, Italy
10. Radiation Oncology Centre, Centro Diagnostico Italiano (CDI), Milano, Italy
11. Radiation Oncology Centre, Fondazione Poliambulanza, Brescia, Italy
12. Radiation Oncology Centre, Ospedale, Busto Arsizio, Italy
13. Division of Radiation Oncology, Ospedale di Treviglio, Caravaggio di Treviglio, Italy
14. Radiation Oncology Centre, S. Pio X-Humanitas, Milano, Italy
15. Radiation Oncology Centre, IRCCS Multimedica, Sesto San Giovanni/Castellanza, Italy
16. Radiation Oncology Centre, IRCCS Ospedale S. Raffaele and University Vita Salute, Milano, Italy
17. Division of Radiation Oncology, Fondazione IRCCS Istituto Nazionale Tumori, Milano, Italy
18. Radiotherapy Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milano, Italy
19. Division of Radiotherapy, Fondazione IRCCS Policlinico San Matteo and University of Pavia, Pavia, Italy
20. Radiation Oncology Centre, Policlinico, Monza, Italy
21. Radiation Oncology Centre, Istituti Ospedalieri Bergamaschi, Ponte S. Pietro-Zingonia, Italy
22. Radiotherapy Unit, IRCCS Policlinico San Donato, San Donato Milanese, Italy
23. Radiation Oncology Centre, Brescia University Radiation Oncology Department, O. Alberti Radium Institute, Spedali Civili Hospital, Brescia, Italy
24. Radiation Oncology Centre, Istituti Clinici di Pavia e Vigevano, Vigevano, Italy
25. Radiation Oncology Unit, Clinical Department, National Centre for Oncological Hadrontherapy, Fondazione CNAO, Pavia, Italy
26. Radiation Oncology Department, Esine and University of Brescia, Esine, Italy
27. Radiation Oncology Centre, Istituto Clinico Sant’Ambrogio, Milano, Italy
28. Radiation Oncology Centre, Ospedale Sant’Anna, ASST Lariana, Como, Italy
29. IRCCS Humanitas Research Hospital, Radiotherapy and Radiosurgery Center, Rozzano, Milan, Italy
30. Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Milan, Italy
31. Radiation Oncology Centre, Ospedale di Sondrio, ASST Valtellina e Alto Lario, Sondrio, Italy
32. Ospedale di Casalpusterlengo, Azienda Ospedaliera della Provincia di Lodi, Casalpusterlengo, Italy
33. Unit of Radiotherapy, Cliniche Gavezzeni SPA, Bergamo, Italy
34. Radiation Oncology Centre, Ospedale Papa Giovanni XXIII, Bergamo, Italy
35. Radiation Oncology Centre, Ospedale Manzoni, Lecco, Italy