1. Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
2. Danish Center for Particle Therapy, Aarhus University Hospital, Aarhus, Denmark
3. Department of Oncology, Copenhagen University Hospital – Herlev and Gentofte, Copenhagen, Denmark
4. Department of Health Technology, Technical University of Denmark, Lyngby, Denmark
5. Department of Oncology, Copenhagen University Hospital, – Rigshospitalet, Copenhagen, Denmark
6. Department of Clinical Engineering and Procurement, Central Denmark Region, Aarhus Denmark
7. Department of Clinical Physiology & Nuclear Medicine, Rigshospitalet, Copenhagen, Denmark