1. Department of Physical Medicine and Rehabilitation, Northwestern University Feinberg School of Medicine, Chicago, IL, and Rehabilitation Institute of Chicago, 1030 N Clark St, Suite 500, Chicago, IL 60611
2. Department of Physical Medicine and Rehabilitation, Northwestern University Feinberg School of Medicine, Chicago, IL, and Rehabilitation Institute of Chicago, Chicago, IL
3. Shoulder Center of Kentucky, Lexington, KY