1. Department of Urology, Interdisciplinary Center of Renal Tumors Ludwig‐Maximilians‐University of Munich Munich Germany
2. Department of Urology and Paediatric Urology Saarland University Medical Center Homburg (Saar) Germany
3. Department of Medical Oncology University Hospital Essen Essen Germany
4. Department of Medical Oncology & Hematology Evang. Kliniken Essen‐Mitte, Evang. Huyssens‐Stiftung Essen‐Huttrop Essen Germany
5. Department of Urology University Hospital Tuebingen Tübingen Germany
6. Medical Department iOMEDICO Freiburg im Breisgau Germany
7. Department of Urology University Hospital Jena Jena Germany
8. Biostatistics, iOMEDICO Freiburg im Breisgau Germany
9. Department of Urology and Pediatric Urology Philipps‐University Marburg, University Hospital Giessen and Marburg GmbH Marburg Germany
10. Department of Urology and Clinic for Haematology and Internistic Oncology University Hospital Erlangen, Ambulatory Uro‐Oncological Therapy Unit Erlangen (AURONTE) Erlangen Germany
11. Department of Hematology and Oncology Klinikum Nuremberg, Paracelsus Medical University Nürnberg Germany
12. Department of Urology University Hospital Frankfurt Frankfurt Germany
13. Outpatient‐Centre for Interdisciplinary Oncology and Haematology Freiburg Germany
14. Department of Hematology, Hemostasis, Oncology and Stem Cell Transplantation University Hospital Hannover Medical School Hannover Germany
15. Clinic for Internal Medicine (Tumour Research) and Clinic for Urology, West German Cancer Center University Hospital Essen Essen Germany