1. 1Department of Medicine II, Hematology/Oncology, Goethe University Hospital, Frankfurt, Germany
2. 2Department of Internal Medicine III, University Hospital of Ulm, Ulm, Germany
3. 3Department of Internal Medicine III, University Hospital Regensburg, Regensburg, Germany
4. 4Med. Klinik 5 / Hämatologie u. Internist. Onkologie, Universität Erlangen-Nürnberg, Erlangen, Germany
5. 5Department of Hematology and Oncology, Robert-Bosch-Hospital, Stuttgart, Germany
6. 6Department of Internal Medicine V, Heidelberg University Hospital, Heidelberg, Germany
7. 7Department of Medicine III, University Hospital Bonn, Bonn, Germany
8. 8Department of Internal Medicine III, Braunschweig Municipial Hospital, Braunschweig, Germany
9. 9Department of Oncology and Hematology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
10. 10Klinikum Chemnitz, Chemnitz, Germany
11. 11Hematology, Oncology and Tumor Immunology, Campus Benjamin Franklin, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany
12. 12Department of Medicine / Hematology and Oncology, University of Muenster, Muenster, Germany
13. 13Department for Hematology, Cell Therapy and Hemostaseology, University of Leipzig Medical Center, Leipzig, Germany
14. 14University Hospital TU Dresden, Germany, Dresden, Germany
15. 15Evangelisches Krankenhaus Hamm, Hamm, Germany
16. 16Department of Internal Medicine II, University Hospital Schleswig-Holstein, Kiel, Kiel, Germany
17. 17Onkologikum Frankfurt, Frankfurt, Germany