1. Division of Orthopaedic Surgery, John A. Burns School of Medicine, University of Hawaii, Honolulu, Hawaii, USA.
2. Department of Orthopaedics, New York Presbyterian, Columbia University Medical Center, New York, New York, USA.
3. Sports Medicine Center, OrthoCarolina, Charlotte, North Carolina, USA.
4. Department of Orthopaedics, Boston Medical Center, Boston University, Boston, Massachusetts, USA.