Department of Urology, Tampere University Hospital and University of Tampere (TLT), Tampere, Finland; Department of Urology, Helsinki University Hospital (KT), Helsinki, Finland; Department of Urology, Päijät-Häme Central Hospital (TI), Lahti, Finland; Department of Urology, Uppsala University Hospital (MH, SL), Uppsala, Sweden; Radiology, Department of Surgical Sciences (JW, CvB, CW), Uppsala University, Uppsala, Sweden; Department of Pharmacy (HL), Uppsala University, Uppsala, Sweden; Department of Immunology Genetics and Pathology (AT), Uppsala University, Uppsala, Sweden; LIDDS AB (NA, CGG), Uppsala, Sweden; Department of Oncology, University of Örebro (BL), Örebro, Sweden. Department of Urology, Tampere University Hospital and University of Tampere (TLT), Tampere, Finland; Department of Urology, Helsinki University Hospital (KT), Helsinki, Finland; Department of Urology, Päijät-Häme Central Hospital (TI), Lahti, Finland; Department of Urology, Uppsala University Hospital (MH, SL), Uppsala, Sweden; Radiology, Department of Surgical Sciences (JW, CvB, CW), Uppsala University, Uppsala, Sweden; Department of Pharmacy (HL), Uppsala University, Uppsala, Sweden; Department of Immunology Genetics and Pathology (AT), Uppsala University, Uppsala, Sweden; LIDDS AB (NA, CGG), Uppsala, Sweden; Department of Oncology, University of Örebro (BL), Örebro, Sweden. Electronic address: hakan.ahlstrom@radiol.uu.se.