1. Institute of Pathology Hannover Medical School Hannover Germany
2. Department of Hematology Erasmus MC Cancer Institute Rotterdam The Netherlands
3. Department of Hematology, Oncology, Hemostaseology, and Stem Cell Transplantation RWTH Aachen University Aachen Germany
4. Department of Medical Oncology Dana‐Farber Cancer Institute Boston Massachusetts USA
5. Department of Oncology, Hematology, and Palliative Treatment Marien‐Hospital Düsseldorf Germany
6. Institute of Human Genetics, Hannover Medical School Hannover Germany
7. Department of Hematology, Hemostasis, Oncology, and Stem Cell Transplantation Hannover Medical School Hannover Germany
8. Department 2, Oncology and Hematology St. Johannes Hospital Duisburg Germany
9. Department of Hematology, Oncology and Clinical Immunology Heinrich‐Heine‐University Duesseldorf Germany