1. Department of Physical Therapy, College of Public Health and Health Professions, University of Florida, 2004 Mowry Rd, PO Box 100242, Gainesville, FL 32610; Pain Research & Intervention Center of Excellence, University of Florida, Gainesville, FL
2. Pain Research & Intervention Center of Excellence, University of Florida, Gainesville, FL
3. Department of Orthopaedic Surgery and Rehabilitation, Vanderbilt University, Nashville, TN
4. Department of Applied Medicine and Rehabilitation, Indiana State University, Terre Haute, IN
5. Department of Orthopaedics and Rehabilitation, University of Florida, Gainesville, FL