1. Dartmouth-Hitchcock Medical Center, Department of Orthopaedics, Lebanon, New Hampshire
2. University of Maryland, Orthopaedic Associates, Baltimore, Maryland
3. Brigham and Women’s Hospital, Department of Orthopaedic Surgery, Boston, Massachusetts
4. Massachusetts General Hospital, Department of Orthopaedic Surgery, Boston, Massachusetts
5. University of California, Irvine, Department of Orthopaedic Surgery, Orange, California
6. Dartmouth-Hitchcock Medical Center, Department of Surgery, Lebanon, New Hampshire
7. Dartmouth College, Thayer School of Engineering, Hanover, New Hampshire