1. OncoRay - National Center for Radiation Research in Oncology; Faculty of Medicine and University Hospital Carl Gustav Carus; Technische Universität Dresden; Helmholtz-Zentrum Dresden - Rossendorf, Fetscherstr. 74, PF 41 01307 Dresden Germany
2. Helmholtz-Zentrum Dresden - Rossendorf; Institute of Radiooncology - OncoRay; Bautzner Landstr. 400 01328 Dresden Germany
3. Department of Radiotherapy and Radiation Oncology; Faculty of Medicine and University Hospital Carl Gustav Carus; Technische Universität Dresden; Fetscherstr. 74 01307 Dresden Germany
4. German Cancer Consortium (DKTK), partner site Dresden; Germany and German Cancer Research Center (DKFZ); Im Neuenheimer Feld 280 69192 Heidelberg Germany