Text and Data Mining valid from 2020-02-12
Received: 5 August 2019
Accepted: 13 January 2020
First Online: 12 February 2020
Compliance with Ethical Standards
: Yoshihiro Katsuura, MD, Joshua Wright-Chisem, MD, Adam Wright-Chisem, MD, and Sohrab Virk, MD, declare that they have no conflicts of interest. Steven McAnany, MD, reports personal fees from Nuvasive, Titan, Stryker, and K2M.
: Disclosure forms provided by the authors are available with the online version of this article.