1. Human Oncology and Pathogenesis Program, and
2. Leukemia Service, Memorial Sloan Kettering Cancer Center, New York, NY;
3. Weill Cornell Medical College, New York, NY;
4. Translational Bioinformatics Unit, Clinical Research Programme, Spanish National Cancer Research Centre, Madrid, Spain;
5. Broad Institute of Harvard University and the Massachusetts Institute of Technology, Cambridge, MA;
6. Massachusetts General Hospital, Cancer Center and Department of Pathology, Boston, MA;
7. Dana-Farber Cancer Institute, Boston, MA;
8. Department of Medical Genetics, Genome-Scale Biology Research Program, University of Helsinki, Helsinki, Finland;
9. Research Centre, Maisonneuve-Rosemont Hospital,
10. Department of Hematology, Maisonneuve-Rosemont Hospital, and
11. University of Montreal, Montreal, QC, Canada;
12. Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA;
13. Children's Hospital, Harvard Medical School, Boston, MA;
14. Howard Hughes Medical Institute, Chevy Chase, MD; and
15. Division of Hematology, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA