1. Department of Urology, Bispebjerg and Frederiksberg Hospital, Frederiksberg, Denmark;
2. Copenhagen Prostate Cancer Center, Department of Urology, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark;
3. Department of Pathology, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark;
4. Department of Surgical and Perioperative Sciences, Urology and Andrology, Umeå University Hospital, Umeå, Sweden;
5. Department of Urology, Uppsala University Hospital, Uppsala, Sweden