1. Chair of Biomedical Physics, Physics Department and Munich School of BioEngineering, Technical University of Munich, Garching, Germany
2. Department of Radiation Oncology, Klinikum Recht der Isar, Technical University of Munich, School of Medicine, Munich, Germany
3. Institute of Innovative Radiotherapy (iRT), Department of Radiation Sciences (DRS), Helmholtz Zentrum München, Neuherberg, Germany
4. Physics Department, Technical University of Munich, Garching, Germany
5. Comprehensive Pneumology Center, Institute of Lung Biology and Disease, Helmholtz Center Munich, Munich, Germany
6. Department of Diagnostic and Interventional Radiology, School of Medicine and Klinikum Rechts der Isar, Technical University of Munich, Munich, Germany