1. Section of Plastic and Reconstructive Surgery, University of Chicago Medical Center, 5841 S Maryland Ave, MC 6035, Chicago, IL 60637, USA
2. Orthopaedic and Hand Surgery, Lutheran General Hospital, 1775 Dempster Street, Park Ridge, IL 60068, USA
3. Orthopaedic and Hand Surgery, Northwestern Feinberg School of Medicine, 676 N. Saint Clair, Chicago, IL 60611, USA
4. Georgia Hand, Shoulder & Elbow, Emory University Atlanta, 1819 Peachtree Road, N.W. Suite 425, Atlanta, GA 30309, USA