1. Department of Pharmacology, Howard Hughes Medical Institute, University of Washington School of Medicine, Box 357370, Seattle, WA 98195, USA.
2. Institute for Stem Cell and Regenerative Medicine, University of Washington School of Medicine, Box 357370, Seattle, WA 98195, USA.
3. The Broad Institute of Harvard University and Massachusetts Institute of Technology, 7 Cambridge Street, Cambridge, MA 02141, USA.
4. Departments of Pediatrics and Immunology, Seattle Children’s Research Institute, 1900 Ninth Avenue, C9S-7, Seattle, WA 98101, USA.
5. Department of Genome Sciences, University of Washington School of Medicine, Seattle, WA 98195, USA.
6. Rosetta Inpharmatics, LLC, a wholly owned subsidiary of Merck & Co Inc., 401 Terry Avenue N, Seattle, WA 98109, USA.