1. Departments of Medicine and Physiology/Biophysics and
2. National University of Ireland, National Centre for Biomedical Engineering Science, Galway, Ireland
3. Civil Engineering, University of Calgary, Calgary, Alberta, Canada T2N 4N1;
4. Physiological Flow Studies Group, Department of Bioengineering, Imperial College of Science, Technology, and Medicine, London SW7 2AZ, United Kingdom; and