1. Department of Oncology – Section of Radiotherapy, Rigshospitalet, Copenhagen, Denmark
2. Niels Bohr Institute, University of Copenhagen, Copenhagen, Denmark
3. Department of Clinical Oncology and Palliative Care, Radiotherapy, Zealand University Hospital, Næstved, Denmark
4. Institute for Onco-Physics, Albert Einstein College of Medicine and Montefiore Medical Center, Bronx, NY, USA
5. Department of Oncology, Institute of Clinical Sciences, Sahlgrenska Academy at the University of Gothenburg, Sweden
6. Regional Cancer Centre West, Gothenburg, Sweden
7. Department of Paediatrics and Adolescent Medicine, The Juliane Marie Center, Rigshospitalet, Copenhagen, Denmark
8. Radiation Physics - Department of Hematology, Oncology and Radiation Physics, Skåne University Hospital, Lund, Sweden
9. Medical Radiation Physics, Department of Clinical Sciences, Lund University, Lund, Sweden