1 Department of Urology, University Hospital Bonn, Bonn, Germany; Institute of Experimental Oncology, University Hospital Bonn, Bonn, Germany. Electronic address: niklas.kluemper@ukbonn.de.
2 Department of Medical Oncology, Queen's University, Kingston, Canada.
3 Institute of Pathology, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany; Bavarian Cancer Research Center, Erlangen, Germany.
4 Department of Urology, University Hospital Essen, Essen, Germany.
5 Department of Urology, University Hospital Essen, Essen, Germany; Department of Medical Oncology, University Hospital Essen, Essen, Germany.