1. Acute Rehabilitation Services, Mission Hospital, Asheville, NC, USA
2. Department of Physical Therapy, Western Carolina University, Cullowhee, NC, USA
3. University of Connecticut, Storrs, CT, USA
4. John A. Feagin Jr. Orthopaedic Sports Medicine Fellowship, Keller Army Hospital, West Point, NY, USA
5. Department of Epidemiology, The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
6. Department of Exercise and Sport Science, The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA