Accepted for Publication: January 2, 2013.
Published Online: June 19, 2013. doi:10.1001/jamasurg.2013.8.
Study concept and design: Amri, Bordeianou, and Berger.
Acquisition of data: Amri.
Analysis and interpretation of data: Amri, Sylla, and Berger.
Drafting of the manuscript: Amri and Berger.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Amri.
Obtained funding: Amri.
Administrative, technical, and material support: Amri, Sylla, and Berger.
Study supervision: Bordeianou and Berger.
Conflict of Interest Disclosures: None reported.
Funding/Support: This work was conducted with support from Harvard Catalyst/The Harvard Clinical and Translational Science Center (grant 8UL1TR000170-05 from the National Center for Research Resources and National Center for Advancing Translational Sciences, National Institutes of Health and financial contributions from Harvard University and its affiliated academic health care centers). This work was also supported by the Dutch Cancer Society, the Dutch Digestive Society, the Amsterdam University Funds, and the Fulbright Foundation.
Disclaimer: The content is solely the responsibility of the authors and does not necessarily represent the official views of Harvard Catalyst, Harvard University and its affiliated academic health care centers, or the National Institutes of Health.
Previous Presentations: This paper was presented as a poster at the 93rd Annual Meeting of the New England Surgical Society; September 21, 2012; Rockport, Maine; and is published after peer review and revision.