1. Broad Institute of the Massachusetts Institute of Technology (MIT) and Harvard, Cambridge, MA 02142, USA.
2. McGovern Institute for Brain Research, MIT, Cambridge, MA 02139, USA.
3. Department of Brain and Cognitive Science, MIT, Cambridge, MA 02139, USA.
4. Department of Biological Engineering, MIT, Cambridge, MA 02139, USA.
5. Department of Systems Biology, Harvard University, Boston, MA 02115, USA.
6. Department of Health Sciences and Technology, MIT, Cambridge, MA 02139, USA.
7. Institute for Medical Engineering and Science, MIT, Cambridge, MA 02139, USA.
8. Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA 02115, USA.