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1 1 Department of Orthopaedic Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
2 2 Foot and Ankle Injury Research (FAIR) Group, Division of Foot and Ankle Surgery, Department of Orthopaedic Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
3 3 Department of Orthopaedics, Cedars-Sinai Medical Center, Los Angeles, CA, USA.
4 4 The Orthopedic Institute of Wisconsin, Franklin, WI, USA.
5 5 Southern California Orthopedic Institute, Los Angeles, CA, USA.
6 6 Hospital for Special Surgery, New York, NY, USA.
1 1 Department of Orthopaedic Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
2 2 Foot and Ankle Injury Research (FAIR) Group, Division of Foot and Ankle Surgery, Department of Orthopaedic Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
3 3 Department of Orthopaedics, Cedars-Sinai Medical Center, Los Angeles, CA, USA.
4 4 The Orthopedic Institute of Wisconsin, Franklin, WI, USA.
5 5 Southern California Orthopedic Institute, Los Angeles, CA, USA.
6 6 Hospital for Special Surgery, New York, NY, USA.