1. Department of Kinesiology, University of Texas at San Antonio, San Antonio, TX, USA
2. Department of Kinesiology and Health Sciences, Virginia Commonwealth University, Richmond, VA, USA
3. Department of Family and Community Medicine, University of Texas Health Science Center at San Antonio, San Antonio, TX, USA
4. Division of Pain Medicine, Department of Anesthesiology, University of Utah, Salt Lake City, UT, USA
5. Department of Medicine, University of Colorado Hospital, Aurora, CO, USA
6. School of Exercise and Nutritional Sciences, Doctor of Physical Therapy Program, San Diego State University, San Diego, CA, USA