| Authors: |
Strand KS; Department of Orthopaedic Surgery, University of Pennsylvania, Philadelphia, Pennsylvania, USA., Hullfish TJ; Department of Orthopaedic Surgery, University of Pennsylvania, Philadelphia, Pennsylvania, USA., Wagner MM; Department of Orthopaedic Surgery, University of Pennsylvania, Philadelphia, Pennsylvania, USA., Russo D; Department of Orthopaedic Surgery, University of Pennsylvania, Philadelphia, Pennsylvania, USA., Zawel M; Department of Orthopaedic Surgery, University of Pennsylvania, Philadelphia, Pennsylvania, USA., Schaubel DE; Department of Biostatistics, Epidemiology and Informatics, University of Pennsylvania, Philadelphia, Pennsylvania, USA., Humbyrd CJ; Department of Orthopaedic Surgery, University of Pennsylvania, Philadelphia, Pennsylvania, USA., Baxter JR; Department of Orthopaedic Surgery, University of Pennsylvania, Philadelphia, Pennsylvania, USA. |