1. Department of Genome Sciences, University of Washington School of Medicine, Seattle, WA 98195, USA.
2. Department of Pediatrics, University of Washington School of Medicine, Seattle, WA 98195, USA.
3. Seattle Children’s Hospital, Seattle, WA 98105, USA.
4. Department of Psychiatry and Behavioral Sciences, University of Washington, Seattle, WA 98195, USA.
5. Department of Computer Science and Engineering, University of Washington, Seattle, WA 98195, USA.
6. Santa Fe Institute, Santa Fe, NM 87501, USA.
7. Howard Hughes Medical Institute, Seattle, WA 98195, USA.