1. Department of Experimental Clinical Oncology, Aarhus University Hospital, Aarhus, Denmark;
2. Department of Oncology, Herlev Hospital, Copenhagen, Denmark;
3. Department of Oncology, Odense University Hospital, Odense, Denmark;
4. Department of Oncology, Aarhus University Hospital, Odense, Denmark;
5. Department of Oncology, Radiumhospitalet, Oslo University Hospital, Oslo, Norway;
6. Department of Oncology, Rigshospitalet, Copenhagen, Denmark;
7. Department of Oncology, Aalborg University Hospital, Aalborg, Denmark