1. Dept. PM&R, St. Luke’s University Health Network, Bethlehem, PA, USA
2. Dept. PM&R, University of Alabama, Birmingham, AL, USA
3. Dept. PM&R, MetroHealth Medical System, Cleveland, OH, USA
4. Dept. PM&R, Case Western Reserve University, Cleveland, OH, USA
5. Center for Health Research & Policy, Cleveland, OH, USA
6. Dept. PM&R, Cleveland Clinic Foundation, Cleveland, OH, USA