1. Third Department of Internal Medicine (Hematology/Medical Oncology) Klinikum Rechts der Isar, Technische Universität München Munich Germany
2. Department of Hematology and Oncology Universitätsklinikum Giessen und Marburg Marburg Germany
3. Krankenhaus Nordwest, University Cancer Center Frankfurt Germany
4. Institut für Klinische Krebsforschung IKF GmbH at Krankenhaus Nordwest Frankfurt Germany
5. HOPE‐Hämatologisch‐Onkologische Praxis Eppendorf Hamburg Germany
6. Helios MVZ Südniedersachsen GmbH Northeim Germany
7. Department of Hematology, Oncology and Tumor Immunology Charite‐University Medicine Berlin Berlin Germany
8. University Hospital, Medical Center II Tuebingen Germany
9. Onkologie Ravensburg Ravensburg Germany
10. Hannover Medical School Hannover Germany
11. UKSH Campus Luebeck Lübeck Germany
12. Helios Klinikum Bad Saarow, Department of Internal Medicine‐ Hematology, Oncology and Stem Cell Transplantation, Greifswald University Hospital Greifswald Germany
13. Department of Medical Oncology Evang. Kliniken Essen‐Mitte gGmbH Essen Germany
14. First Department of Medicine Nordoberpfalz Hospital Weiden Germany
15. Stauferklinikum Mutlangen Germany
16. Second Department of Internal Medicine Technical University Munich Germany
17. Institute for Developmental Cancer Therapeutics, West German Cancer Center University Hospital Essen Essen Germany
18. Ortenau ‐ Clinic Lahr Medical Clinic Lahr Germany
19. Department of Internal Medicine II Academic Teaching Hospital Wolfsburg Wolfsburg Germany
20. Klinikum Bielefeld Bielefeld Germany