1. Department of Physical Therapy, University of Florida, Gainesville, FL, USA
2. Center for Pain Research and Behavioral Health, University of Florida, Gainesville, FL, USA
3. Department of Physical Therapy, University of Colorado, Aurora, CO, USA
4. Wardenburg Health Center, University of Colorado Boulder, Boulder, CO, USA
5. Department of Physical Therapy, Franklin Pierce University, Concord, NH, USA
6. Rehabilitation Services, Concord Hospital, Concord, NH, USA