1. German Cancer Research Center – DKFZ Im Neuenheimer Feld 280 Heidelberg69120 Germany
2. Heidelberg Institute for Radiation Oncology – HIRO Im Neuenheimer Feld 280 Heidelberg69120 Germany
3. Department of Physics and Astronomy Ruprecht Karls University Heidelberg Grabengasse 1 Heidelberg69117 Germany
4. Probabilistics Numerics Max Planck Institute for Intelligent Systems Tübingen72076 Germany
5. Chair for the Methods of Machine Learning Eberhard Karls University Tübingen Tübingen72024 Germany
6. Medical Faculty Ruprecht Karls University Heidelberg Grabengasse 1 Heidelberg69117 Germany
7. Department for Medical Physics Ludwig‐Maximilians‐Universität München (LMU Munich) Garching München85748 Germany