1. Laboratory of Radiation Physics, Department of Oncology, Odense University Hospital, Odense, Denmark
2. Department of Clinical Research, University of Southern Denmark, Odense, Denmark
3. Danish Centre for Particle Therapy, Aarhus University Hospital, Aarhus, Denmark
4. Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
5. Section for Radiation Therapy, Department of Oncology, Center for Cancer and Organ Diseases, Copenhagen University Hospital, Copenhagen, Denmark
6. Department of Clinical Oncology, Zealand University Hospital, Naestved, Denmark
7. Department of Medical Physics, Department of Oncology, Aalborg University Hospital, Aalborg, Denmark
8. Department of Medical Physics, Vejle Hospital, University Hospital of Southern Denmark, Vejle, Denmark
9. Radiotherapy Research Unit, Department of Oncology, Herlev and Gentofte Hospital, Herlev, Denmark
10. Niels Bohr Institute, University of Copenhagen, Copenhagen, Denmark