1. Yale University School of Medicine, New Haven, CT, USA
2. Department of Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
3. Department of Orthopaedic Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
4. Department of Surgery, Division of Trauma, Burns, and Critical Care, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA