1. Department of Physical Therapy, University of Utah, Salt Lake City, Utah.
2. Department of Exercise and Sport Science, University of Utah, Salt Lake City, Utah.
3. Department of Orthopedics, University of Utah, Salt Lake City, Utah.
4. Department of Exercise Science, Sport, Physical Education, and Recreation, Old Dominion University, Norfolk, Virginia.
5. Department of Medicine, Veterans Affairs Medical Center, University of Utah, Salt Lake City, Utah.