1. Department of Radiation Oncology, Institute Gustave Roussy, Villejuif, France
2. Gustave Roussy Institute, Villejuif, France
3. Radiotherapy Department, Vall d'Hebron Hospital, Barcelona, Spain
4. Bergonié Institute, Bordeaux, France
5. Cancer Trials Ireland, St. Vincent’s University Hospital, Dublin, Ireland
6. Léon Bérard Cancer Center, Lyon, France
7. Cliniques Universitaires Saint-Luc, Brussels, Belgium
8. Institut de Cancérologie de l'Ouest, St Herblain, France
9. Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland
10. Azuréen Center of Oncology, Mougins, France
11. Iuliu Hatieganu University Cluj Napoca, Cluj, Romania
12. Department of Radiotherapy, Institut Paoli-Calmettes, Marseille, France
13. Oncologia Medica, Azienda Ospedaliera San Camillo Forlanini, Rome, Italy
14. Clinique Sainte Marguerite, Hyères, France
15. CL Pasteur Lanroze, Brest, France
16. Centre François Bâclesse, Caen, France
17. Department of Radiotherapy, University Hospital of Besançon, Besançon, France
18. Unicancer, Paris, France
19. Institut Gustave Roussy, University of Paris-Saclay, Villejuif, France