Department of Orthopaedic Surgery, University of Missouri, Columbia, Missouri
Financial Disclosure: Dr. Crist discloses a financial relationship outside this work with Globus Medical, KCI, Orthopaedic Implant Company, Pacira, SMV, and DePuy Synthes. The other authors have no disclosures. The authors report no conflicts of interest.
Correspondence to Brett D. Crist, MD, University of Missouri Department of Orthopaedic Surgery One Hospital Drive, N119, Columbia, MO 65212 Tel: +(573) 882-6562; fax: +(573) 884-0438; e-mail: firstname.lastname@example.org.