1. Department of Radiation Oncology University Hospital, LMU Munich Munich Germany
2. Department of Radiotherapy and Radiation Oncology Paracelsus Medical University Landeskrankenhaus Salzburg Austria
3. CCU Molecular Radiation Oncology German Cancer Research Center (DKFZ) Heidelberg Germany
4. Heidelberg Institute of Radiation Oncology (HIRO) National Center for Radiation Research in Oncology (NCRO) Heidelberg Germany
5. Division of Medical Image Computing German Cancer Research Center (DKFZ) Heidelberg Germany
6. Department of Radiation Oncology Heidelberg University Hospital Heidelberg Germany
7. German Cancer Consortium (DKTK) Munich Germany
8. Member of the German Center for Lung Research (DZL) Comprehensive Pneumology Center Munich (CPC‐M) Munich Germany
9. Department of Experimental Physics ‐ Medical Physics LMU Munich Munich Germany