*Division of Physical Medicine and Rehabilitation, University of Utah, Salt Lake City, Utah;
†Division of Epidemiology, University of Utah, Salt Lake City, Utah;
‡College of Pharmacy, Roseman University, South Jordan, Utah;
Departments of §Electrical & Computer Engineering; and
¶Orthopaedics, University of Utah, Salt Lake City, Utah.
Corresponding Author: Colby Hansen, Division of Physical Medicine & Rehabilitation, University of Utah, 590 Wakara Way, Salt Lake City, UT 84108 ([email protected]).
Supported by the University of Utah, Division of PM&R pilot research grant fund, the University of Utah Department of Orthopaedics, the Center for Outcomes Research and Assessment and the Study Design and Biostatistics Center, with funding in part from the National Center for Research Resources and the National Center for Advancing Translational Sciences, National Institutes of Health, through Grant 8UL1TR000105.
The authors report no conflicts of interest.
Received February 18, 2015
Accepted October 19, 2015