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Article History

Received: 23 July 2019

Accepted: 7 January 2020

First Online: 4 February 2020

Compliance with Ethical Standards

:

: Jeremy Steinberger, MD, Philip York, MD, and Sohrab Virk MD, MBA, declare that they have no conflicts of interest. Han Jo Kim, MD, reports personal fees from K2M and Zimmer Biomet and advisory board membership from AOSpine, outside the submitted work.

: This article does not contain any studies with human or animal subjects performed by any of the authors.

: N/A

: Disclosure forms provided by the authors are available with the online version of this article.