From the Division of Orthopaedic Surgery and Sports Medicine, Children's National Hospital (Tabaie, Sheppard, and Tosi), and Department of Orthopaedic Surgery, George Washington University School of Medicine and Health Sciences, Washington, DC (O'Mara).

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: Tabaie, O'Mara, Sheppard, and Tosi.