1. Section of Oncology, Institute of Medicine, Medical Faculty, University of Bergen, N-5021, Bergen, Norway
2. Department of Oncology and Medical Physics, Haukeland University Hospital, N-5021, Bergen, Norway
3. Department of Medical Physics, Aarhus University Hospital, Aarhus, Denmark
4. Centre for Clinical Research, Haukeland University Hospital, N-5021, Bergen, Norway
5. Department of Surgical Sciences, University of Bergen, N-5021, Bergen, Norway
6. Department of Surgery, Section of Urology, Haukeland University Hospital, N-5021, Bergen, Norway
7. Department of Pathology, The Gade Institute, Haukeland University Hospital, N-5021, Bergen, Norway