1. Department of Chemical and Systems Biology, ChEM-H, and Stanford Cancer Institute, Stanford School of Medicine, Stanford University, Stanford, California 94305, United States
2. Department of Molecular and Cellular Biology, Harvard University, Cambridge, Massachusetts 02138, United States
3. Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, United States
4. Cancer Program, Broad Institute of MIT and Harvard, Cambridge, Massachusetts 02141, United States
5. Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, United States
6. Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, Massachusetts 02115, United States
7. Department of Pediatrics, Dana-Farber/Boston Children’s Cancer and Blood Disorders Center and Harvard Medical School, Harvard University, Boston, Massachusetts 02215, United States
8. Department of Cell Biology, Harvard Medical School, Boston, Massachusetts 02115, United States
9. Howard Hughes Medical Institute, Boston, Massachusetts 02115, United States