From the Jackie and Gene Autry Orthopedic Center, Children's Hospital Los Angeles, Los Angeles, CA (Chen, Hara, Siddiqui, Omar, Nazareth, Lightdale-Miric, Phan, Wren, and Goldstein) and the Department of Orthopaedic Surgery, Harbor-UCLA Medical Center, Torrance, CA (Nazareth).

Correspondence to Dr. Goldstein: [email protected]

Wren or an immediate family member serves as a served as a deputy editor for Journal of Biomechanical Engineering. Goldstein or an immediate family member serves as a board member, owner, officer, or committee member of American Academy of Orthopaedics Surgeons and Pediatric Orthopaedic Society of North America. None of the following authors or any immediate family member has received anything of value from or has stock or stock options held in a commercial company or institution related directly or indirectly to the subject of this article: V. Chen, R. Hara, A. Siddiqui, H. Omar, A. Nazareth, N. Lightdale-Miric, and A. Phan.

V. Chen: data collection, data analysis, manuscript preparation, and manuscript review. R. Hara: data collection, data analysis, manuscript revision, and manuscript review. A. A. Siddiqui: data collection, data analysis, manuscript preparation, and manuscript review. H. N. Omar: data collection, data analysis, manuscript preparation, and manuscript review. A. Nazareth: data collection, manuscript preparation, and review. N. Lightdale-Miric: study idea and design and manuscript review. A. Phan: data collection and manuscript review. T. A. L. Wren: data analysis, manuscript revision, and manuscript review. R. Y. Goldstein: study idea and design and manuscript review.

This study has been carried out with approval from the Institutional Review Board at Children's Hospital Los Angeles

The data sets generated and analyzed during the current study are not publicly available because of requirements of the Institutional Review Board for data sharing but are available from the corresponding author on reasonable request.