1. Department of Hematology, Oncology, Hemostaseology and Stem Cell Transplantation Medical Faculty RWTH Aachen University Aachen Germany
2. Center for Integrated Oncology Aachen Bonn Cologne Duesseldorf (CIO ABCD) Aachen Germany
3. Department I of Internal Medicine Medical Faculty and University Hospital University of Cologne Cologne Germany
4. Institute of Transfusion Medicine Medical Faculty and University Hospital University of Cologne Cologne Germany
5. Department of Oncology, Hematology, Immuno‐Oncology and Rheumatology University Hospital Bonn Bonn Germany
6. Division of Transfusion Medicine Medical Faculty RWTH Aachen University Aachen Germany
7. Department of Nephrology and Clinical Immunology Medical Faculty RWTH Aachen University Aachen Germany
8. MVZ West GmbH Würselen Hämatologie‐Onkologie Würselen Germany