Accepted for Publication: October 21, 2013.
Published Online: June 4, 2014. doi:10.1001/jamasurg.2014.13.
Study concept and design: Salottolo, Levy.
Acquisition, analysis, or interpretation of data: Salottolo, Slone, Mains, Bar-Or.
Drafting of the manuscript: Salottolo, Bar-Or.
Critical revision of the manuscript for important intellectual content: Levy, Slone, Mains.
Statistical analysis: Salottolo.
Administrative, technical, or material support: Slone, Mains.
Study supervision: Levy, Bar-Or.
Conflict of Interest Disclosures: None reported.
Funding/Support: This study was supported by St Anthony Hospital and Swedish Medical Center.
Role of the Sponsor: The departments of Trauma Research for St Anthony Hospital and Swedish Medical Center were responsible for the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.
Previous Presentation: This study was presented as a modified podium presentation at the 2013 Annual Meeting of the American Association for the Surgery of Trauma; September 20, 2013; San Francisco, California.