1 Department of Hematology and Stem Cell Transplantation, West German Cancer Center Essen, University Hospital Essen, Essen, Germany.
2 Medizinische Klinik und Poliklinik I, University Hospital Carl Gustav Carus Dresden, Technical University Dresden, Dresden, Germany.
3 Department of Medicine A, University Hospital Münster, Münster, Germany.
4 Department of Internal Medicine III, University Hospital of Ulm, Ulm, Germany.
5 Department of Medicine III, University Medical Center, Johannes Gutenberg University Mainz, Mainz, Germany.
6 Department of Medicine III, Technical University of Munich, Munich, Germany.
7 Department of Internal Medicine V, University Hospital Heidelberg, Heidelberg, Germany.
8 Department of Hematology, Hemostasis, Oncology and Stem Cell Transplantation, Hannover Medical School, Hannover, Germany.
9 Department 5 for Internal Medicine, University Hospital Erlangen, Erlangen, Germany.
10 Department of Internal Medicine III, Chemnitz Hospital, Chemnitz, Germany.
11 Department of Hematology, Oncology, Stem Cell Transplantation, Immune and Cell Therapy, Clinical Immunology and Rheumatology, University Hospital Bonn, Bonn, Germany.
12 Department of Hematology, Cellular Therapy, Hemostaseology and Infectious Diseases, Leipzig, Germany.
13 Department of Hematology, Oncology and Stem Cell Transplantation, Asklepios Clinic St. Georg, Hamburg, Germany.
14 Clinic and Policlinic for Internal Medicine IV, University Hospital Halle (Saale), Halle (Saale), Germany.
15 Division of Stem Cell Transplantation and Cellular Imunotherapies, Department of Hematology and Oncology, University Hospital Schleswig-Holstein, Kiel, Germany.
17 Department I of Internal Medicine, University Hospital of Cologne, Cologne, Germany.
18 Department of Internal Medicine V, Oncology and Hematology, Klinikum Nürnberg, Nürnberg, Germany.
19 Clinic for Hematology and Stem Cell Transplantation HELIOS Clinic Berlin-Buch GmbH, Berlin, Germany.
20 Division of Hematology and Oncology, Department of Internal Medicine II, University of Würzburg, Medical Center, Würzburg, Germany.
21 Clinic and Policlinic for Internal Medicine C, Hematology and Oncology, University of Greifswald, Greifswald, Germany.
22 Department of Hematology and Oncology, St. Bernward Krankenhaus, Hildesheim, Germany.
23 Department of Internal Medicine II, Hematology and Oncology, University Hospital Jena, Jena, Germany.
24 Department of Hematology, Oncology and Clinical Immunology, University Hospital Duesseldorf, Medical Faculty, Heinrich Heine - University, Duesseldorf, Germany.
25 Department for Medical Informatics, Biometry and Epidemiology, University Hospital Essen, Essen, Germany.
26 Department of Hematology and Stem Cell Transplantation, West German Cancer Center Essen, University Hospital Essen, Essen, Germany. Thomas.schroeder@uk-essen.de.