Affiliation: | 1. CU Sports Medicine, Department of Orthopedics, University of Colorado School of Medicine, Boulder, Colorado, U.S.A.;2. Department of Orthopaedic Surgery, University of Utah, Farmington, Utah, U.S.A.;3. Division of Orthopaedic Surgery, Department of Surgery, University of Toronto, Toronto, Ontario, Canada;4. Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, Illinois, U.S.A.;5. Steadman Philippon Research Institute, Vail, Colorado, U.S.A. |