1. Urology/Neuro-Urology, University Clinic Friedrich-Wilhelms-University Bonn and Neurologic Rehabilitation Center ‘Godeshoehe’ e.V., Venusberg-Campus 1, Gebäude 22, Bonn, 53127, Germany
2. University Clinic, Rheinische Friedrich-Wilhelms-University - Clinic of Urology/Neuro-Urology Bonn, Germany
3. Dr. Willmar Schwabe GmbH & Co KG, Clinical Research Department, Karlsruhe, Germany