1. Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, Massachusetts.
2. Harvard John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts.
3. Department of NanoEngineering, University of California, San Diego, California.
4. Department of Mechanical and Aerospace Engineering, University of California, San Diego, California.
5. Vascular Biology Program, Boston Children's Hospital and Harvard Medical School, Boston, Massachusetts.