1. Division of Signal Transduction, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02115, USA.
2. Department of Systems Biology, Harvard Medical School, Boston, MA 02115, USA.
3. Cancer Genetics Program, Beth Israel Deaconess Cancer Center, Division of Genetics, Department of Medicine and Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA.
4. CIC bioGUNE, Technology Park of Bizkaia, 48160 Derio, Bizkaia, Spain.
5. Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA 02115, USA.
6. Biomedicinal Information Research Center, National Institute of Advanced Industrial Science and Technology, 2-3-26 Aomi, Koto, Tokyo 135-0064, Japan.
7. Department of Medicine, Harvard Medical School, Boston, MA 02115, USA.