1. Department of Cardiothoracic Surgery (N.F.H., B.P.O.), Stanford University, CA.
2. Stanford Cardiovascular Institute (N.F.H., B.P.O.), Stanford University, CA.
3. Department of Chemical Engineering (N.F.H.), Stanford University, CA.
4. Center for Tissue Regeneration, Repair and Restoration, Veterans Affairs Palo Alto Health Care System, CA (N.F.H., B.P.O.).
5. Department of Biomedical Engineering, The University of Texas at Austin (B.S., J.Z.).
6. Fibralign Corporation, Union City, CA (T.S.Z., M.V.P.).