1. Department of Medicine V, Hematology, Oncology and Rheumatology University of Heidelberg Heidelberg Germany
2. Molecular Medicine Partnership Unit (MMPU) Heidelberg Germany
3. European Molecular Biology Laboratory (EMBL) Heidelberg Germany
4. Department of Clinical Pathology Robert‐Bosch‐Hospital Stuttgart Germany
5. Department of Pathology University of Schleswig‐Holstein, Campus Kiel Kiel Germany
6. Institute of Pathology University of Würzburg Würzburg Germany
7. Centre for Cancer Research and Cell Biology Queen's University Belfast Belfast UK
8. Hôpital Necker‐Enfants Malades Paris France
9. Department of Hematology University Medical Centre Groningen, University of Groningen Groningen Netherlands
10. Hamamatsu Tissue Imaging and Analysis Center (TIGA), Bioquant University of Heidelberg Heidelberg Germany
11. Department of Medicine III University Hospital, Ludwig‐Maximilians‐Universität Munich Munich Germany
12. Second Medical Department University Hospital Schleswig‐Holstein, Campus Kiel Germany
13. Institute of Medical Informatics, Biometry and Epidemiology Ludwig‐Maximilians‐Universität Munich Munich Germany