1. Department of Urology, University Hospital and Medical Faculty of the Heinrich-Heine-University, Düsseldorf, Germany
2. Center for Integrated Oncology, Aachen Bonn Cologne Düsseldorf, Germany
3. Department of Urology, University Hospital Jena, Jena, Germany
4. Cytel, Berlin, Germany
5. Merck Healthcare Germany GmbH, Weiterstadt, Germany, an affiliate of Merck KGaA
6. GWQ ServicePlus AG, Düsseldorf, Germany
7. Drug Department, AOK PLUS, Dresden, Germany
8. IPAM e.V., Wismar, Germany
9. Merck Healthcare KGaA, Darmstadt, Germany