1. Department of Physical Therapy, University of Nevada, Las Vegas: 4505 S. Maryland Parkway, Box 453029, Las Vegas, NV 89154-3029, USA
2. HealthSouth Rehabilitation Hospital of Henderson, USA
3. Family and Sports Physical Therapy, USA
4. Sunrise Hospital and Medical Center, USA
5. Department of Environmental and Occupational Health, University of Nevada, Las Vegas, USA