1. Department of Bioengineering, University of Utah, Salt Lake City, Utah.
2. Department of Biomedical Engineering, Duke University, Durham, North Carolina.
3. Department of Orthopaedics, University of Utah, Salt Lake City, Utah.
4. Department of Biomedical Engineering, Washington University in St. Louis, Saint Louis, Missouri.
5. Department of Orthopaedic Surgery, Washington University in St. Louis and Shriners Hospitals for Children–St. Louis, Saint Louis, Missouri.