1. Institute of Clinical Cancer Research, Krankenhaus Nordwest, Universitären Centrum für Tumorerkrankungen-University Cancer Center, Frankfurt, Germany
2. Medical Department II, Klinikum Wolfsburg, Wolfsburg, Germany
3. Medical Department I, Universitätsklinikum Freiburg, Freiburg, Germany4now with Clinic for Hematology, Oncology, and Palliative Care, Klinikum Stuttgart, Kriegsbergstraße, Stuttgart, Germany
4. Medical Department III, SLK-Kliniken GmbH, Heilbronn, Germany
5. Medical Clinic and Polyclinic, Universitätsklinikum Carl Gustav Carus, Dresden, Germany7now with Institute for Clinical Genetics, Bonn, Germany
6. Medical Department II, Universitätsklinikum Jena, Jena, Germany9now with Medical Department IV, Krankenhaus Dresden-Friedrichstadt, Dresden, Germany
7. Medical Department I Hematology/Oncology, Universitätsklinikum Schleswig-Holstein, Lübeck, Germany
8. Medical Department I, Klinikum Ludwigsburg, Ludwigsburg, Germany12now with Medical Department II, Asklepios Klinik Altona, Hamburg, Germany
9. Medical Department, Ortenau Klinikum Lahr, Lahr, Germany
10. Department of Hematology and Oncology, Klinikum Bielefeld, Bielefeld, Germany
11. Medical Department III, Zentralklinikum Augsburg, Augsburg, Germany
12. Medical Department I, Universitätsklinik Mainz, Mainz, Germany
13. Medical Department II, Klinikum Aschaffenburg, Aschaffenburg, Germany
14. Medical Department II, Universitätsklinikum der Eberhard-Karl-Universität, Tübingen, Germany19now with Clinic for Hematology, Oncology, and Immunology, Franziskus Hospital Bielefeld, Bielefeld, Germany
15. Medical Department II, Universitätsklinikum der Eberhard-Karl-Universität, Tübingen, Germany20now with Gemeinschaftspraxis, Friedrichshafen, Germany
16. Tumorclinic, Klinikum Fulda, Fulda, Germany
17. MediProjekt, Gesellschaft für Medizinstatistik und Projektentwicklung, Hannover, Germany
18. Clinic and Polyclinic for Internal Medicine IV, Universitätsklinikum Halle, Halle, Germany24now with CUF Hospitals Cancer Centre, Lisboa, Portugal
19. Department of Surgery, Krankenhaus Nordwest, Frankfurt, Germany
20. Medical Department, Universitätsmedizin Mannheim, Mannheim, Germany
21. Department of Oncology and Hematology, Krankenhaus Nordwest, Frankfurt, Germany
22. Department of General and Visceral Surgery, University Hospital Frankfurt, Frankfurt, Germany
23. Department of General and Visceral Surgery, Universitätsklinik Köln, Köln, Germany