1. Department of Urology, Medical Faculty University Hospital of the Heinrich‐Heine‐University Duesseldorf Duesseldorf Germany
2. Department of Urology Saarland University Homburg/Saar Germany
3. Department of Gynecology and Obstetrics, Medical Faculty University Hospital of the Heinrich‐Heine‐University Duesseldorf Duesseldorf Germany
4. Department of General, Visceral and Pediatric Surgery, Medical Faculty University Hospital of the Heinrich‐Heine‐University Duesseldorf Duesseldorf Germany
5. Department of Urology, Medical Faculty University of Duisburg‐Essen Essen Germany
6. Department of Urology Semmelweis University Budapest Budapest Hungary
7. Department of Pathology, Medical Faculty University Hospital of the Heinrich‐Heine‐University Duesseldorf Duesseldorf Germany
8. Disseminated Cancer Cell Network (DCCNet) Duesseldorf Heinrich‐Heine‐University Duesseldorf Germany