1. Department of Urology, St. Elisabeth-Hospital Straubing, Brothers of Mercy Hospital, Straubing, Germany
2. Department of Urology, University Medicine Greifswald, Greifswald, Germany
3. Department of Urology, Campus Grosshadern, Ludwig-Maximilians University (LMU), Munich, Germany
4. Janssen Pharma Research and Development, Spring House, PA, USA
5. Department of Urology, Caritas St. Josef Medical Center, University of Regensburg, Regensburg, Germany