1. Department of Mechanical Engineering & Materials Science, Washington University, St. Louis, Missouri
2. Department of Biomedical Engineering, Washington University, St. Louis, Missouri
3. Department of Mathematics, Brigham Young University, Rexburg, Idaho
4. Department of Pathology, John Cochran VA Medical Center, St. Louis, Missouri
5. Department of Orthopaedic Surgery, Washington University, St. Louis, Missouri