1. 1Onkozentrum, Zurich, Switzerland.
2. 2Department of Medical Oncology and Hematology, Cantonal Hospital, St. Gallen, Switzerland.
3. 3Department of Medical Oncology and Hematology, Cantonal Hospital, Chur, Switzerland.
4. 4University Cancer Center Hamburg Eppendorf and Prostate Center, Martini-Klinik, University Hospital Hamburg-Eppendorf, Hamburg-Eppendorf, Germany.
5. 5University Hospital, Hannover, Germany.
6. 6Studienpraxis Urologie, Nürtingen, Germany.
7. 7Urology and Andrology, Ordensklinikum Linz GmbH Elisabethinen, Linz, Austria.
8. 8Department of Urology, University Hospital, Muenster, Germany.
9. 9Department of Urology, University Hospital, Duesseldorf, Germany.
10. 10Department of Medical Oncology and Hematology, University Hospital, Zurich, Switzerland.
11. 11Department of Urology and Uro-Oncology, University Hospital Cologne, Cologne, Germany
12. 12Department of Urology, Medical University Vienna, Vienna, Austria.
13. 13Department of Urology and Pediatric Urology, University Medicine Mainz, Mainz, Germany.
14. 14Assign Data Management and Biostatistics GmbH, Innsbruck, Austria.
15. 15Department of Medical Oncology, Erasmus MC Cancer Institute, Rotterdam, the Netherlands.
16. 16Institute of Pharmacy, University of Bonn, Bonn, Germany.
17. 17Oncology Institute of Southern Switzerland, EOC, Bellinzona, Switzerland.
18. 18Faculty of Biomedical Sciences, Universita della Svizzera Italiana, Lugano, Switzerland.
19. 19Medical Faculty, University of Basel, Basel, Switzerland.