[1] MIT, Dept Biol Engn, Inst Med Engn & Sci, Synthet Biol Ctr, 77 Massachusetts Ave, Cambridge, MA 02139 USA
[2] Broad Inst MIT & Harvard, Cambridge, MA 02142 USA
[3] Univ Guelph, Dept Mol & Cellular Biol, Guelph, ON, Canada
[4] Columbia Univ Coll Phys & Surg, Dept Pathol & Cell Biol, 630 W 168th St, New York, NY 10032 USA
[5] Harvard Univ, Wyss Inst Biol Inspired Engn, Boston, MA 02115 USA