1. OncoRay-National Center for Radiation Research in Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden and Helmholtz-Zentrum Dresden-Rossendorf, Dresden, Germany
2. Department of Radiation Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
3. Helmholtz-Zentrum Dresden - Rossendorf, Institute of Radiooncology, Dresden, Germany
4. German Cancer Consortium (DKTK), Dresden, Germany
5. German Cancer Research Center (DKFZ), Heidelberg, Germany