1. Department of Hematology, Erasmus Medical Center and University, Rotterdam, The Netherlands;
2. Department of Internal Medicine V, University of Heidelberg, Heidelberg, Germany;
3. Department of Hematology, Utrecht University Medical Center (UMCU), Utrecht, The Netherlands;
4. Institute of Human Genetics, University of Heidelberg, Heidelberg, Germany;
5. Working group on Hemato-oncologic Genome Diagnostics (WHGD), Department of Medical Genetics, UMCU, Utrecht, The Netherlands;
6. WHGD, Department of Human Genetics, UMC St Radboud, Nijmegen, The Netherlands;
7. Department of Clinical Genetics, Erasmus Medical Center, Rotterdam, The Netherlands;
8. Department of Hematology, UMC Groningen, Groningen, The Netherlands;
9. Department of Hematology, VU University Medical Center, Amsterdam, The Netherlands;
10. Department of Hematology, Academic Medical Center, Amsterdam, The Netherlands;
11. HOVON Data Center, Erasmus MC-Daniel den Hoed Cancer Center, Rotterdam, The Netherlands; and
12. Millennium Pharmaceuticals, Cambridge, MA