Accepted for Publication: June 4, 2013.
Published Online: September 11, 2013. doi:10.1001/jamasurg.2013.3598.
Study concept and design: Gayed, Black.
Acquisition of data: Gayed, Black.
Analysis and interpretation of data: All authors.
Drafting of the manuscript: Gayed.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Gayed, Black, Daggy.
Administrative, technical, or material support: Munshi.
Study supervision: Gayed, Munshi.
Conflict of Interest Disclosures: None reported.
Previous Presentation: This study was presented at the 2013 Annual Meeting of the Association of VA Surgeons; April 22, 2013; Milwaukee, Wisconsin.
Additional Contributions: We thank Verde Valley Orthopedic Associates, Edward Miech, EdD, for proofreading and providing detailed guidance on revising an earlier version of the manuscript, and Heather Woodward-Hagg, MS, for providing technical direction and proofreading.