1. Institute of Pathology, University Hospital Erlangen, Friedrich‑Alexander‑University Erlangen‑Nürnberg, D‑91054 Erlangen, Germany
2. Comprehensive Cancer Center Erlangen‑EMN (CCC ER‑EMN), D‑91054 Erlangen, Germany
3. Institute of Pathology, RWTH Aachen University, D‑52074 Aachen, Germany
4. Institute of Pathology, D‑31785 Hameln, Germany
5. Institute of Pathology, D‑91522 Ansbach, Germany
6. St. Josef Medical Centre, Department of Urology, University Regensburg, De‑93053 Regensburg, Germany