1 Klinik für Strahlentherapie und Radioonkologie, Kliniken Mariahilf Mönchengladbach, Mönchengladbach, Germany. ursula.nestle@mariahilf.de.
2 Klinik für Strahlenheilkunde, Universitätsklinikum Freiburg, Freiburg, Germany. ursula.nestle@mariahilf.de.
3 German Cancer Consortium (DKTK) partner site Freiburg and German Cancer Research Center (DKFZ), Heidelberg, Germany. ursula.nestle@mariahilf.de.
4 German Cancer Consortium (DKTK) partner site Dresden and German Cancer Research Center (DKFZ), Heidelberg, Germany.
5 OncoRay-National Center for Radiation Research in Oncology: Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Helmholtz-Zentrum Dresden-Rossendorf, Dresden, Germany.
6 Dept. of Radiation Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany.
7 Institute of Radiooncology-OncoRay, Helmholtz-Zentrum Dresden-Rossendorf, Dresden, Germany.
8 National Center for Tumor Diseases (NCT), Partner Site Dresden, Germany: German Cancer Research Center (DKFZ), Faculty of Medicine, University Hospital C.G. Carus Dresden and Helmholtz-Zentrum Dresden-Rossendorf, Dresden, Germany.