1. German Cancer Research Center (DKFZ), Heidelberg, Germany and German Cancer Consortium (DKTK) partner sites; Frankfurt Germany
2. Department of Radiotherapy and Oncology; Goethe-University Frankfurt; Frankfurt Germany
3. German Cancer Research Center (DKFZ), Heidelberg, Germany and German Cancer Consortium (DKTK) partner sites; Dresden Germany
4. Department of Radiation Oncology; Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden; Dresden Germany
5. OncoRay-National Center for Radiation Research in Oncology; Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden; Dresden Germany
6. Helmholtz-Zentrum Dresden-Rossendorf, Institute of Radiooncology; Dresden Germany
7. National Institute for Tumor Diseases (NCT), Partner Site Dresden; Dresden Germany
8. German Cancer Research Center (DKFZ), Heidelberg, Germany and German Cancer Consortium (DKTK) partner sites; Berlin Germany
9. Department of Radiooncology and Radiotherapy; Charité-University Hospital Berlin; Berlin Germany
10. German Cancer Research Center (DKFZ), Heidelberg, Germany and German Cancer Consortium (DKTK) partner sites; Essen Germany
11. Department of Radiotherapy; Medical Faculty, University of Duisburg-Essen; Essen Germany
12. German Cancer Research Center (DKFZ), Heidelberg, Germany and German Cancer Consortium (DKTK) partner sites; Freiburg Germany
13. Department of Radiation Oncology; Medical Center, Faculty of Medicine, University of Freiburg; Freiburg Germany
14. German Cancer Research Center (DKFZ), Heidelberg, Germany and German Cancer Consortium (DKTK) partner sites; Heidelberg Germany
15. Department of Radiation Oncology; Heidelberg Ion Therapy Center (HIT), Heidelberg Institute of Radiation Oncology (HIRO), National Center for Radiation Research in Oncology (NCRO), University of Heidelberg Medical School and German Cancer Research Center (DKFZ); Heidelberg Germany
16. German Cancer Research Center (DKFZ), Heidelberg, Germany and German Cancer Consortium (DKTK) partner sites; Munich Germany
17. Department of Radiotherapy and Radiation Oncology; Ludwig-Maximilians-University; Munich Germany
18. Department of Radiation Oncology; Technical University Munich; , Munich Germany
19. German Cancer Research Center (DKFZ), Heidelberg, Germany and German Cancer Consortium (DKTK) partner sites; Tübingen Germany
20. Department of Radiation Oncology; Faculty of Medicine and University Hospital Tübingen, Eberhard Karls University Tübingen; Tübingen Germany
21. Department of Biomedical Sciences; Faculty of Medicine and Health Sciences, Macquarie University Sydney; Sydney NSW Australia