1. Heidelberg Ion Beam Therapy Center (HIT) Department of Radiation Oncology Heidelberg University Hospital Heidelberg Germany
2. Clinical Cooperation Unit Translational Radiation Oncology German Cancer Consortium (DKTK) Core‐Center Heidelberg National Center for Tumor Diseases (NCT) Heidelberg University Hospital (UKHD) and German Cancer Research Center (DKFZ) Heidelberg Germany
3. Industrial Engineering Department University of Rome Tor Vergata Rome Italy
4. Faculty of Physics, Karlsruhe Institute of Technology (KIT) Karlsruhe Germany
5. PTW‐Freiburg Freiburg Germany
6. University Clinic for Medical Radiation Physics Medical Campus Pius Hospital Carl von Ossietzky University, Oldenburg Germany
7. Medical Physics department National Centre of Oncological Hadrontherapy (CNAO) Pavia Italy