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Corresponding author. 59 Executive Park South, Atlanta, GA 30329, USA. Tel.: +1 404 778 1567.59 Executive Park South Atlanta GA 30329 USA: rrunner@emory.edu
One or more of the authors of this paper have disclosed potential or pertinent conflicts of interest, which may include receipt of payment, either direct or indirect, institutional support, or association with an entity in the biomedical field which may be perceived to have potential conflict of interest with this work. For full disclosure statements refer to the supplemental files.
© 2017 The Authors. Published by Elsevier Inc. on behalf of The American Association of Hip and Knee Surgeons.