| Affiliation: | 1. Medical College of Wisconsin, Milwaukee, Wisconsin;2. Department of Orthopaedics and Rehabilitation, Yale School of Medicine, New Haven, Connecticut;3. University of Connecticut School of Medicine, Farmington, Connecticut;4. Penn State College of Medicine, Hershey, Pennsylvania;5. Idaho Sports Medicine Institute, Boise, Idaho U.S.A;1. American Hip Institute Research Foundation, Chicago, Illinois;2. American Hip Institute, Chicago, Illinois;3. AMITA Health St. Alexius Medical Center, Hoffman Estates, Illinois;1. American Hip Institute Research Foundation, Chicago, Illinois, U.S.A.;2. American Hip Institute, Chicago, Illinois, U.S.A.;3. Department of Orthopedics, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, U.S.A.;1. Division of Orthopaedic Surgery, Department of Surgery, McMaster University, Hamilton, Ontario, Canada;2. Department of Life Science, McMaster University, Hamilton, Ontario, Canada;3. Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, Ontario, Canada;4. Steadman Philippon Research Institute, Vail, Colorado;5. MedSport at Domino''s Farms, Ann Arbor, Michigan, U.S.A.;1. Department of Orthopaedics and Rehabilitation, Yale School of Medicine, New Haven, Connecticut, U.S.A.;2. Orthopedic Surgery, Hospital for Special Surgery, Weil-Cornell Medical School, New York, New York, U.S.A. |
