Chapple C1, Everaert K2, Lopatkin N3, Katona F4, Melekos M5, Madsen H6, Wright M7, Bolodeoku J7 1. Royal Hallamshire Hospital, Sheffield, UK, 2. Ghent University Hospital, Ghent, Belgium, 3. Moscow Institute of Urology, Moscow, Russia, 4. Josa Andras County Hospital, Nyiregyhaza, Hungary, 5. University of Thessalia, Larissa, Greece, 6. Aalborg Sygehus Nord, Aalborg, Denmark, 7. Astellas Pharma Europe, Staines, UK