Affiliation: | 1. Department of Radiation Oncology, Netherlands Cancer Institute, Amsterdam, the Netherlands;2. Ente Ospedliero Cantonale, Oncology Institute of Southern Switzerland, Bellinzona, Switzerland;3. European Organization for Research and Treatment of Cancer (EORTC) Headquarters, Brussels, Belgium;4. Department of Oncology, Rambam Medical Center, Haifa, Israel;5. Department of Radiation Oncology, Gustave Roussy Institute, Paris, France;6. Department of Radiation Oncology, University Hospital Zurich, Zurich, Switzerland;7. Department of Radiation Oncology, IRCCS Foundation, National Cancer Institute, Milan, Italy;8. Department of Radiation Oncology, Mount Sinai Hospital, Toronto, Ontario, Canada;9. Department of Radiation Oncology, The Royal Marsden National Health Service Foundation Trust and The Institute of Cancer Research, London, United Kingdom;10. Department of Radiation Oncology, Catharina Hospital, Eindhoven, the Netherlands;11. Department of Surgery, IRCCS Foundation, National Cancer Institute, Milan, Italy;12. Department of Pathology, Leiden University Medical Center, Leiden, the Netherlands;13. Department of Medical Oncology, Leiden University Medical Center, Leiden, the Netherlands;14. Sarcoma Unit of the Interdisciplinary Tumor Center, Mannheim University Medical Center, University of Heidelberg, Mannheim, Germany;15. Center for Proton Therapy, Paul Scherrer Institute, ETH Domain, Villigen, Switzerland Radiation Oncology Department, University Hospital of Bern, Bern, Switzerland Radiation Oncology Department, University Hospital of Zurich, Zurich, Switzerland;16. Department of Surgery, Curie Institute, University of Paris, Paris, France |