1. Department of Urology and Neurourology, BG Unfallkrankenhaus Berlin, Berlin, Germany
2. Department of Urology, Universiti Putra Malaysia (UPM), Selangor, Malaysia
3. Department of Urology and Pediatric Urology, Nordwest Hospital, Frankfurt am Main, Germany
4. Institute of Clinical Cancer Research, Nordwest Hospital, Frankfurt am Main, Germany
5. Department of Urology, Cochin Hospital, APHP, Paris Descartes University, Paris, France
6. Department of Urology, University Hospital Ludwig-Maximilians-University, Munich, Germany
7. Department of Urology, University Hospital Würzburg, Würzburg, Germany