Affiliation: | 1. Department of Orthopaedic Surgery, Division of Sports Medicine, Rush University Medical Center, Chicago, Illinois, U.S.A.;2. Department of Orthopaedic Surgery, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina;1. Department of Orthopaedic Surgery, Washington University in St. Louis, St. Louis, MO, USA;2. Department of Radiology, Washington University in St. Louis, St. Louis, MO, USA;3. Division of Biostatistics, Washington University in St. Louis, St. Louis, MO, USA |