1. Center for Medical Genetics,
2. Flanders Institute for Biotechnology Inflammation Research Center, and
3. Department of Clinical Chemistry, Microbiology and Immunology, Ghent University, Ghent, Belgium;
4. Medical Research Council Molecular Haematology Unit, Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford, England, United Kingdom;
5. Laboratory for the Molecular Biology of Leukemia, Center for Human Genetics, University of Leuven and Center for the Biology of Disease, Vlaams Instituut voor Biotechnologie, Leuven, Belgium;
6. Department of Pediatric Oncology/Hematology, Erasmus Medical Center, Rotterdam, The Netherlands;
7. Genome Rearrangements and Cancer Laboratory, U462 INSERM, Laboratoire Central d'Hématologie and Institut Universitaire d'Hématologie, Hopital Saint-Louis, Paris, France; and
8. Department of Pediatric Hematology-Oncology and Stem Cell Transplantation, Ghent University Hospital, Ghent, Belgium