Affiliations

• ¹ Department of Orthopaedic Surgery, Columbia University, New York, NY, USA. bdr5@cumc.columbia.edu.
• ² Department of Orthopaedic Surgery, Morgan Stanley Children's Hospital of New York Presbyterian, Columbia University Medical Center, 3959 Broadway, CHONY 8-N, New York, NY, 10032-3784, USA. bdr5@cumc.columbia.edu.
• ³ Department of Orthopaedic Surgery, Columbia University, New York, NY, USA.
• ⁴ Department of Orthopedics, University of Washington, Seattle, WA, USA.
• ⁵ Department of Orthopedics, Campbell Clinic, University of Tennessee Health Science Center, Memphis, TN, USA.
• ⁶ Department of Orthopaedics, University of Utah, Salt Lake City, UT, USA.
• ⁷ Department of Orthopaedic Surgery, Washington University, St. Louis, MO, USA.
• ⁸ Department of Orthopedic Surgery, University of Cincinnati, Cincinnati, OH, USA.
• ⁹ Division of Pediatric Orthopaedics, Johns Hopkins University, Baltimore, MD, USA.