Uckert S1, Richter K2, Kedia G1, Oelke M3, Jonas U1, Wolf G2 1. Hannover Medical School, Dept. of Urology, Hannover, Germany, 2. University of Magdeburg, Faculty of Medicine, Institute of Medical Neurobiology, Magdeburg, Germany, 3. University of Amsterdam, Academic Medical Center (AMC), Dept. of Urology, Amsterdam, The Netherlands