1 Department of Urology and Pediatric Urology, University Medical Center Bonn (UKB), Venusberg-Campus 1, 53127, Bonn, Germany.
2 Institute of Pathology, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany.
3 Institute of Pathology, University Medical Center Bonn (UKB), Bonn, Germany.
4 Institute of Experimental Oncology, University Medical Center Bonn (UKB), Bonn, Germany.
5 Institute of Oncology Research, Università Della Svizzera Italiana, Bellinzona, Switzerland.
6 Department of Urology and Pediatric Urology, University Medical Center Bonn (UKB), Venusberg-Campus 1, 53127, Bonn, Germany. abdullah.alajati@ukbonn.de.