1. Department of Physical Medicine and Rehabilitation, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
2. Department of Public Health and Community Medicine, Tufts University School of Medicine, Boston, Massachusetts, USA
3. Department of Rehabilitation Medicine, Brooke Army Medical Center, San Antonio, Texas, USA
4. CU Sports Physical Therapy and Rehabilitation, University of Colorado Health, Denver, Colorado, USA
5. DBS Fitness San Diego Physical Therapy, San Diego, California, USA
6. Glynn Physical Therapy, Lexington, Massachusetts, USA