1. Department of Urology and Pediatric Urology Saarland University Medical Center, Saarland University Homburg/Saar Germany
2. Department of Urology Knappschaftsklinikum Saar Sulzbach/Saar Germany
3. Institute of Pathology Saarland University Medical Center, Saarland University Homburg/Saar Germany
4. Gemeinschaftspraxis für HumangenetikBiomedizinisches Zentrum Homburg/Saar Germany