1. Medical Center University of Tuebingen, Tuebingen, Germany
2. University of Tuebingen, Tuebingen, Germany
3. University Hospital Heidelberg, Heidelberg, Germany
4. Cologne University Hospital, Cologne, Germany
5. University Hospital of the LMU Munich, Munich, Germany
6. University Hospital Essen, Essen, Germany
7. University Medical Center Hamburg-Eppendorf, Hamburg, Germany
8. University Medical Center Mainz, Mainz, Germany
9. University Medicine Goettingen, Goettingen, Germany
10. University Hospital Freiburg, Freiburg, Germany
11. Charite University Hospital, Berlin, Germany
12. Jena University Hospital, Jena, Germany
13. Hannover Medical School, Hannover, Germany
14. Department of Internal Medicine I, University Hospital Carl Gustav Carus, TU Dresden, Dresden, Germany, Dresden, Germany
15. University of Muenster, Muenster, Germany
16. Helios Klinik Berlin-Buch, Berlin, Germany
17. University Hospital Schleswig-Holstein, Kiel, Germany
18. University Clinic Leipzig, Leipzig, Germany
19. University Hospital Magdeburg, Hematology & Oncology, Germany
20. Universitätsklinikum Würzburg, Würzburg, Germany
21. University Hospital Regensburg, Regensburg, Germany
22. Ruhr University Bochum, Bochum, Germany
23. Uniklinik Koeln, Koeln, Germany
24. University Hospital, LMU Munich, Munich, Germany
25. University Hospital Regensburg and Leibniz Institute for Immunotherapy, Regensburg, Germany
26. Department of Bone Marrow Transplantation, University Hospital Essen, Germany, Essen, Germany
27. University Hospital Tübingen, Tuebingen, Germany
28. Universitaetsklinikum Hamburg-Eppendorf, Hamburg, Germany
29. University of Heidelberg, Heidelberg, Germany