1. Department of Clinical Medicine, University of Bergen, Bergen, Norway;
2. Department of Medicine, Haukeland University Hospital, Bergen, Norway;
3. Department of Urology, Haukeland University Hospital, Bergen, Norway;
4. Spheromics, Kontiolahti, Finland;
5. Institute for Molecular Medicine Finland (FIMM), University of Helsinki, Helsinki, Finland;
6. Department of Cancer Research and Molecular Medicine, Norwegian University of Science and Technology, Trondheim, Norway;
7. Department of Pathology, Haukeland University Hospital, Bergen, Norway