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Padilla MD, Afshin A. Anoushiravani MD, and James E. Feng MD declare no conflicts of interest. Ran Schwarzkopf MD is a paid consultant for Smith & Nephew and Intellijoint; owns stocks in Intellijoint and Gauss Surgical; is a board members\/committee for AAOS and AAHKS. James Slover MD has received research support from Biomet and is a board member\/committee of AAHKS. Scott Marwin MD is a paid consultant for Zimmer and Integer Consulting.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Conflict of interest"}},{"value":"All procedures performed were in accordance with ethical standards. This study analyzed de-identified data and thus was exempted from human-subjects review by our Institutional Review Board (IRB).","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethical approval"}}]}}