1. Department of Experimental Clinical Oncology, Aarhus University Hospital, DK-8200 Aarhus N, Denmark
2. Danish Centre for Particle Therapy, Aarhus University Hospital, DK-8200 Aarhus N, Denmark
3. Department of Pathology, Zealand University Hospital, DK-4700 Næstved, Denmark
4. Research Unit for General Practice, DK-8000 Aarhus N, Denmark
5. Department of Oncology, Aarhus University Hospital, DK-8200 Aarhus N, Denmark