1 Department of Medicine A, University Hospital Münster, Münster, Germany.
2 Department of Medicine I, University Hospital TU Dresden, Dresden, Germany.
3 Department of Medicine III, Klinikum Chemnitz, Chemnitz, Germany.
4 Department of Medicine V, University Hospital Heidelberg, Heidelberg, Germany.
5 Department of Medicine II, University Hospital Schleswig-Holstein, Campus Kiel, Kiel, Germany.
6 Department of Hematology, Oncology, Hemostaseology and Stem Cell Transplantation, Medical Faculty, Centre for Integrated Oncology Aachen Bonn Cologne Duesseldorf, Aachen, Germany.
7 Department of Hematology and Cellular Therapy, University Hospital Leipzig, Leipzig, Germany.
8 DKMS Collection Center gGmbH, Cologne, Germany.
9 Department of Medicine A, University Hospital Münster, Münster, Germany. christoph.schliemann@ukmuenster.de.