1. School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts.
2. Wyss Institute for Biologically Inspired Engineering, Harvard University, Cambridge, Massachusetts.
3. Department of Mechanical Engineering, Tsinghua University, Beijing, China.
4. Center for VLSI and Embedded Technology, International Institute of Information Technology (IIIT), Hyderabad, India.
5. Facebook, Inc., Menlo Park, California.