1. OncoRay National Center for Radiation Research in Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden Helmholtz‐Zentrum Dresden‐Rossendorf Dresden Germany
2. Institute of Radiooncology‐OncoRay Helmholtz‐Zentrum Dresden‐Rossendorf Dresden Germany
3. Department of Radiotherapy and Radiooncology University Medical Center Giessen‐Marburg Marburg Germany
4. University of Applied Sciences Institute of Medical Physics and Radiation Protection Giessen Germany
5. Ion‐Beam Therapy Center Marburg Germany
6. Department of Radiation Oncology Medical University of Vienna Wien Austria
7. MedAustron Iontherapy centre Wiener Neustadt Austria
8. Centre for Medical Radiation Physics University of Wollongong Wollongong New South Wales Australia
9. Illawarra Cancer Care Centre Wollongong New South Wales Australia
10. Department for Radiotherapy and Radiooncology Pius Hospital, Medical Campus Carl von Ossietzky University Oldenburg Germany
11. Department of Physics TU Dortmund University Dortmund Germany