1. Department of Biomedical Engineering, University of Massachusetts Amherst, Amherst, MA 01003
2. Department of Small Animal Clinical Sciences, Michigan State University, East Lansing, MI 48824
3. Orthopaedic Biomechanics Laboratories, College of Osteopathic Medicine, Michigan State University, East Lansing, MI 48824
4. Orthopaedic Biomechanics Laboratories, College of Osteopathic Medicine, Michigan State University, East Lansing, MI 48824; Department of Mechanical Engineering, Michigan State University, East Lansing, MI 48824
5. Department of Biomedical Engineering, University of Massachusetts Amherst, Amherst, MA 01003; S631 Life Sciences Laboratory, University of Massachusetts, 240 Thatcher Road, Amherst, MA 01003