From the Department of Orthopaedic Surgery Keck School of Medicine of USC, Los Angeles, CA (Wang, Chang, Nwachuku, Hill, and Heckmann), the Department of Orthopaedics and Rehabilitation, Yale School of Medicine, New Haven, CT (Munger), and the Department of Orthopaedic Surgery and Medical Education, Northwestern University Feinberg School of Medicine, Chicago, IL (Suleiman).

Correspondence to Dr. Heckmann: [email protected]

Suleiman or an immediate family member serves as a paid consultant to DePuy and a Johnson & Johnson Company. Heckmann or an immediate family member serves as a paid consultant to Corin USA, Intellijoint Surgical, MicroPort Orthopedics, and Zimmer; has received royalties from Corin USA; has stock or stock options held in Intellijoint Surgical; and serves as a board or committee member of AAOS, AJRR, and AAHKS. 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: Wang, Chang, Nwachuku, Hill, and Munger.

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