1. Stanford Genome Technology Center, Stanford University School of Medicine, Palo Alto, CA 94304, USA.
2. Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, CA 90095, USA.
3. Stanford ChEM-H (Chemistry, Engineering and Medicine for Human Health), Stanford University, Palo Alto, CA 94304, USA.
4. Department of Genetics, Stanford University School of Medicine, Palo Alto, CA 94304, USA.
5. European Molecular Biology Laboratory Heidelberg, 69117 Heidelberg, Germany.
6. Bioinformatics Group, Wageningen University, Wageningen, Netherlands.
7. Department of Chemical Engineering, Stanford University, Palo Alto, CA 94304, USA.
8. Department of Chemistry, Stanford University, Palo Alto, CA 94304, USA.
9. Department of Chemistry and Biochemistry, University of California, Los Angeles, CA 90095, USA.