1. Department of Radiation Oncology, Radiation Medicine Research Center, Rigshospitalet,
Copenhagen, Denmark
2. Niels Bohr Institute, University of Copenhagen,
Copenhagen, Denmark
3. Department of Radiation Oncology, Sahlgrenska University Hospital,
Gothenburg, Sweden
4. Department of Radiation Oncology, Rigshospitalet,
Copenhagen, Denmark
5. Faculty of Health Sciences, University of Copenhagen, Denmark
6. Department of Human Oncology, University of Wisconsin Medical School,
Madison, Wisconsin, USA