1   Department of Radiology, Section of MSK, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania

2   Drexel University College of Medicine, Philadelphia, Pennsylvania

3   Division of Orthopaedic Surgery, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania

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1   Department of Radiology, Section of MSK, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania

2   Drexel University College of Medicine, Philadelphia, Pennsylvania

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3   Division of Orthopaedic Surgery, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania

4   Department of Pediatrics, Sports Medicine and Performance Center, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania

5   Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania

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3   Division of Orthopaedic Surgery, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania

5   Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania

6   Division of Plastic, Reconstructive, and Oral Surgery, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania

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7   Division of Musculoskeletal Imaging and Interventions, Department of Radiology, Thomas Jefferson University Hospital, Sidney Kimmel Medical College at Jefferson, Philadelphia, Pennsylvania

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Jie C. Nguyen

1   Department of Radiology, Section of MSK, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania

5   Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania