Accepted for Publication: October 25, 2013.
Published Online: June 25, 2014. doi:10.1001/jamasurg.2014.157.
Study concept and design: Brooke, Stone, Cronenwett, Goodney.
Acquisition, analysis, or interpretation of data: Brooke, Stone, Nolan, DeMartino, MacKenzie, Goodman.
Drafting of the manuscript: Brooke, Goodney.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Brooke, Nolan, DeMartino, MacKenzie, Goodney.
Obtained funding: Goodney.
Administrative, technical, or material support: Stone, Goodman.
Study supervision: Stone, Cronenwett, DeMartino.
Conflict of Interest Disclosures: None reported.
Funding/Support: Dr Goodney is supported by Career Development Award K08 HL05676 from the National Heart, Lung, and Blood Institute and a Society of Vascular Surgery Foundation award. Dr Goodman is supported in part by the Robert Wood Johnson Foundation.
Role of the Sponsor: The sponsors 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.