Dirk Rades, University of Lübeck, Lübeck; Michaela Metz, University of Würzburg, Würzburg; Harun Badakhshi, Charite Berlin, Berlin; Andreas Schreiber, Radiotherapy Practice Dresden-Friedrichstadt, Dresden; Mirko Nitsche, Center of Radiotherapy, Bremen; Peter Hipp, University of Regensburg, Regensburg, and Oberschwabenklinik, Ravensburg; Wolfgang Schulze, Klinikum Bayreuth, Bayreuth; Irenaeus A. Adamietz, Ruhr University Bochum, Bochum, Germany; Barbara Šegedin and Ana Perpar, Institute of Oncology... (At 2016-02-20)