1 Department of Orthopaedics and Rehabilitation, University of Vermont, 95 Carrigan Drive, Stafford Hall 401A, Burlington, VT 05405, USA. Electronic address: [email protected].
2 Department of Orthopaedics and Rehabilitation, University of Vermont, 95 Carrigan Drive, Stafford Hall 401A, Burlington, VT 05405, USA.
3 Department of Orthopedic Surgery, University of Pittsburgh Medical Center, Kaufmann Medical Building, Suite 1010, 3471 Fifth Ave, Pittsburgh, PA 15213, USA.
4 Department of Orthopedic Surgery, Brigham and Women's Hospital, 75 Francis St, Boston, MA 02115, USA.