| Affiliation: | aDepartment of Physical Medicine and Rehabilitation, University of Alabama at Birmingham, Birmingham, AL;bCenter for Rehabilitation Outcomes Research, Rehabilitation Institute of Chicago, Chicago, IL;cDepartment of Physical Medicine and Rehabilitation, Northwestern University, Chicago, IL;dDepartment of Rehabilitation Medicine, University of Washington, Seattle, WA;eDepartment of Physical Medicine and Rehabilitation, University of Michigan, Ann Arbor, MI;fMetroHealth Rehabilitation Institute of Ohio, and Case Western Reserve University School of Medicine, Cleveland, OH |
