1. Department of Physics, Harvard University, Cambridge, MA, USA.
2. Center for Brain Science, Harvard University, Cambridge, MA, USA.
3. John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, USA.
4. Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, ON, Canada.
5. Department of Physics, Northeastern University, Boston, MA, USA.