1. Danish Center for Particle Therapy, Aarhus University Hospital, Aarhus, Denmark
2. Department of Clinical medicine, Aarhus University, Aarhus, Denmark
3. Department of Experimental Clinical Oncology, Aarhus University Hospital, Aarhus, Denmark
4. Department of Clinical Oncology and Palliative Care, Zealand University Hospital, Næstved, Denmark
5. Department of Oncology, Aarhus University Hospital, Aarhus, Denmark
6. Laboratory of Radiation Physics, Department of Oncology, Odense University Hospital, Odense, Denmark
7. Department of Oncology, Vejle Hospital, University Hospital of Southern Denmark, Vejle, Denmark
8. Department of Oncology, Herlev and Gentofte Hospital, Herlev, Denmark
9. Department of Clinical Oncology, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
10. Department of Oncology, Aalborg University Hospital, Aalborg, Denmark