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1 From the Clinic for Orthopaedic and Trauma Surgery (Z.L.S., N.S.P.), and Department of Thoracic Surgery (S.S.M.), Clinical Center Kragujevac and Faculty of Medical Sciences, University of Kragujevac, Kragujevac, Serbia; and Department of Orthopaedic Surgery (P.F.S.), Denver Health Medical Center, University of Colorado School of Medicine, Denver, Colorado.
1 From the Clinic for Orthopaedic and Trauma Surgery (Z.L.S., N.S.P.), and Department of Thoracic Surgery (S.S.M.), Clinical Center Kragujevac and Faculty of Medical Sciences, University of Kragujevac, Kragujevac, Serbia; and Department of Orthopaedic Surgery (P.F.S.), Denver Health Medical Center, University of Colorado School of Medicine, Denver, Colorado.