1. Hagey Laboratory of Pediatric Regenerative Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA.
2. Center for Personal Dynamics Regulomes, Stanford University School of Medicine, Stanford, CA 94305, USA.
3. Department of Genetics, Stanford School of Medicine, Stanford, CA 94305, USA.
4. CIRM Scholars Program, Humboldt State University, Arcata, CA 95521, USA.
5. Department of Pathology, Stanford School of Medicine, Stanford, CA 94305, USA.
6. Institute for Stem Cell Biology and Regenerative Medicine, Stanford School of Medicine, Stanford, CA 94305, USA.
7. Howard Hughes Medical Institute, Stanford University, Stanford, CA 94305, USA.