1. NASA, 2101 NASA Parkway Building 13 R 208, Houston, TX 77058
2. Stanford Synchrotron Radiation Lightsource, 2575 Sand Hill Road, Menlo Park, CA 94025
3. Division of Vascular Surgery, Stanford Medical Center, 300 Pasteur Drive, Stanford, CA 94305
4. Vascular Surgery Division, College of Medicine, University of Arizona, Tucson, AZ 85724
5. Mechanical Engineering Department, Stanford University, Stanford, CA 94305