1. Department of Bone Marrow Transplantation, West German Cancer Center University of Duisburg‐Essen Essen Germany
2. Department of Medicine A/Hematology and Oncology University of Muenster Muenster Germany
3. St. István and St. László Hospital of Budapest Budapest Hungary
4. 3rd Department of Medicine‐Hematology, Internal Oncology and Pneumology Johannes Gutenberg University Medical Centre Mainz Germany
5. Department of Medicine V University of Heidelberg Heidelberg Germany
6. Department of Hematology and Oncology Medical Centre University Hospital Tuebingen Tuebingen Germany
7. Hematology and Bone Marrow Transplantation Unit, Scientific Institute for Research Hospitalization and Health Care San Raffaele Milan Italy
8. Department of Internal Medicine, University Hospital Carl Gustav Carus Technical University Dresden Dresden Germany
9. Department of Hematology, Oncology, and Palliative Care University Medical Centre, University of Rostock Rostock Germany
10. Department of Hematology, Centre Hospitalier Lyon‐Sud Hospices Civil de Lyon Lyon France
11. Clinicum Nuremberg Paracelsus Medical Private University Nuremberg Germany
12. University Clinic Wuerzburg Wuerzburg Germany
13. Clinic for Hematology, Oncology and Stem Cell Transplantation Helios Clinic Duisburg Duisburg Germany
14. Department of Internal Medicine University Hospital of Cologne Cologne Germany
15. Hematological Clinic, Unit of Cellular Therapy ‘Carlo Melzi’ University Hospital Udine Italy
16. Department of Oncology‐Hematology University of Milan and Azienda Socio Sanitaria Territoriale Papa Giovanni XXIII Bergamo Italy
17. University Clinic Leipzig Leipzig Germany
18. Universitätsklinikum Jena, Klinik für Innere Medizin II Abteilung für Hämatologie und Onkologie Jena Germany
19. Unit of Blood Diseases and Stem Cell Transplantation, Department of Clinical and Experimental Sciences University of Brescia, ASST, Spedali Civili of Brescia Brescia Italy
20. Hospital Saint‐Louis Paris France
21. University Medical Centre, University of Regensburg Department of Internal Medicine Regensburg Germany
22. Asklepios Clinic Hamburg GmbH Hamburg Germany
23. Clinic for Hematology and Stem Cell Transplantation HELIOS Clinic Berlin‐Buch GmbH Berlin Germany
24. Department of Oncology and Hematology Clinic Oldenburg AöR Oldenburg Germany
25. University Medicine Goettingen, Georg‐August‐University Goettingen Germany
26. Malteser Hospital St. Franziskus‐Hospital Flensburg Germany
27. Department of Hematology and Transplantology Medical University of Gdańsk Gdańsk Poland
28. German Clinic for Diagnostics Helios Clinic Wiesbaden Germany
29. Clinic and Policlinic for Internal Medicine III, Klinikum Rechts der Isar Technical University of Munich, School of Medicine Munich Germany
30. Policlinic Umberto University La Sapienza Rome Italy
31. University Clinic Freiburg Medical Clinic Freiburg Germany
32. Policlinic G.B. Rossi Borgo Rome Verona Italy
33. Medac GmbH Wedel Germany
34. Department of Hematology and Bone Marrow Transplantation A. Mielęcki Independent Public Clinical Hospital Katowice Poland
35. Department of Hematology, Institute of Medical Sciences Medical College of Rzeszow University Rzeszow Poland