From the Department of Orthopaedic Surgery, Rothman Institute, Thomas Jefferson University, Philadelphia, PA (Issa, McCurdy, Lee, Sherman, Kalra, Goodman, Canseco, Hilibrand, Vaccaro, Schroeder, and Kepler), the Feinberg School of Medicine, Northwestern University, Chicago, IL (Issa), and the Department of Orthopaedic Surgery, Washington University School of Medicine, St. Louis, MO (Lambrechts).

Correspondence to Issa: [email protected]

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: Issa, McCurdy, Lee, Lambrechts, Sherman, Kalra, Goodman, Canseco, Hilibrand, Vaccaro, Schroeder, and Kepler.