Accepted for Publication: May 27, 2014.
Published Online: September 17, 2014. doi:10.1001/jamasurg.2014.1694.
Study concept and design: Brown, Juhlin, Healy, Korah, Carling.
Acquisition, analysis, or interpretation of data: Brown, Juhlin, Healy, Prasad.
Drafting of the manuscript: Brown, Carling.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Brown, Healy.
Obtained funding: Carling.
Administrative, technical, or material support: Carling.
Study supervision: Juhlin, Prasad, Korah, Carling.
Conflict of Interest Disclosures: None reported.
Funding/Support: Dr Juhlin was supported by a clinical postdoctoral appointment from the Stockholm County Council. Dr Carling is a Damon Runyon Clinical Investigator supported in part by the Damon Runyon Cancer Research Foundation.
Role of the Funder/Sponsor: The funders had no role in 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 paper was presented at the 2014 Annual Meeting of the Association of VA Surgeons; April 6, 2014; New Haven, Connecticut.