Department of Urology, Erasmus University Medical Center, Be 362a, PO Box 2040, 3000 CA Rotterdam, The Netherlands.|Department of Urology, Erasmus University Medical Center, Be 362a, PO Box 2040, 3000 CA Rotterdam, The Netherlands.|Department of Urology, Erasmus University Medical Center, Be 362a, PO Box 2040, 3000 CA Rotterdam, The Netherlands.