作者单位：McMaster Univ, Michael G DeGroote Sch Med, Hamilton, ON, Canada[1]Western Univ, Fac Sci, London, ON, Canada[2]McMaster Univ, Dept Surg, Div Orthopaed Surg, 1280 Main St W, Hamilton, ON L8S 4L8, Canada[3]Univ Michigan, MedSport, Dept Orthopaed Surg, Ann Arbor, MI 48109 USA[4]
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