1. From the Department of Urology (PJ, H-JL) and Institute of Pathology (LG), CHUV University-Hospital, Lausanne and Institute of Environmental Engineering (NL, HVDB), Swiss Federal Institute of Technology (EPFL), Lausanne, Switzerland, Oslo Urological University Clinic (SJK, BB), Aker University Hospital, Oslo, Norway, Department of Urology (P-UM, EJ), Uppsala University Hospital, Uppsala, Sweden, and Department of Urology (DJ and TG), University Hospital of Lübeck, Lübeck, Germany