1. Department of Internal Medicine I, Division of Hematology & Hemostaseology, Medical University of Vienna, Austria
2. Ludwig Boltzmann Cluster Oncology, Vienna, Austria
3. New York Presbyterian Hospital, Weill Cornell Medical Center, New York, NY, USA
4. Institute of Pathology, Hannover Medical School, Hannover, Germany
5. Department of Pathology, University of Freiburg, Germany
6. Department of Pathology, Stanford University School of Medicine, Stanford, CA, USA
7. Institute of Pathology, University of Munich
8. Institute of Pathology, Medical University of Vienna
9. Institute of Pathology, Medical University of Graz, Austria
10. First Department of Internal Medicine, Elisabethinen Hospital Linz, Austria
11. VU University Medical Center, Amsterdam, The Netherlands
12. MLL Munich Leukemia Laboratory, Munich, Germany
13. Division of Hematology, Department of Medicine, Nippon Medical School, Tokyo, Japan
14. Department of Obstetrics and Gynaecology, Medical University of Vienna
15. Institute of Pathology, Semmelweis University, Budapest, Hungary
16. Department of Hematology, Semmelweis University, Budapest, Hungary
17. Institute of Pathology, Ansbach, Germany