1. Department of Radiation Oncology University Medical Center Groningen University of Groningen Groningen 9713 GZ The Netherlands
2. OncoRay – National Center for Radiation Research in Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus Technische Universität Dresden Helmholtz‐Zentrum Dresden Rossendorf Germany
3. Helmholtz‐Zentrum Dresden – Rossendorf Institute of Radiooncology OncoRay Germany
4. Department of Radiotherapy and Radiation Oncology Faculty of Medicine and University Hospital Carl Gustav Carus Technische Universität Dresden Dresden Germany
5. Partner Site Dresden, and German Cancer Research Center (DKFZ) German Cancer Consortium (DKTK) Heidelberg Germany
6. National Center for Tumor Diseases (NCT) Partner Site Dresden Dresden Germany