Affiliation: | 1. Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA;2. Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02139, USA;3. Department of Electrical Engineering and Computer Science, Massachusetts Institute of Technology, Cambridge, MA 02139, USA;4. Department of Biology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA;5. Whitehead Institute for Biomedical Research, Cambridge, MA 02142, USA |