?:authorAffiliation
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[\'Department of Orthopaedic Surgery, Johns Hopkins School of Medicine, Baltimore, MD.\', \'Department of Orthopaedic Surgery, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA.\', \'Department of Orthopedic Surgery, University of Texas Health Science Center at Houston, Bellaire, TX.\', \'Southern Joint Replacement Institute, Nashville, TN.\']
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