1 Department of Medical Oncology and Pneumology (Internal Medicine VIII), University Hospital Tübingen, Tübingen, Germany.
2 Cluster of Excellence 'Image Guided and Functionally Instructed Tumor Therapies' (iFIT), Eberhard-Karls University of Tübingen, Tübingen, Germany.
3 Department of Medical Oncology and Pneumology (Internal Medicine VIII), University Hospital Tübingen, Tübingen, Germany. Lars.Zender@med.uni-tuebingen.de.
4 Cluster of Excellence 'Image Guided and Functionally Instructed Tumor Therapies' (iFIT), Eberhard-Karls University of Tübingen, Tübingen, Germany. Lars.Zender@med.uni-tuebingen.de.
5 German Consortium for Translational Cancer Research (DKTK), Partner Site Tübingen, German Cancer Research Center (DKFZ), Heidelberg, Germany. Lars.Zender@med.uni-tuebingen.de.