1. Stanford Genome Technology Center, 3165 Porter Drive, Palo Alto, California 94304, USA
2. Department of Electrical Engineering, Duke University, Durham, North Carolina 27560, USA
3. Advanced Liquid Logic, 615 Davis Drive #800, Morrisville, North Carolina 27560, USA
4. Wyss Institute, Harvard University, Boston, Massachusetts 02115, USA
5. Department of Genetics, Harvard Medical School, Boston, Massachusetts 02115, USA
6. Department of Electrical Engineering, Stanford University, Stanford, California 94305, USA