Accepted for Publication: March 4, 2013.
Published Online: October 30, 2013. doi:10.1001/jamasurg.2013.2126.
Study concept and design: Arnaoutakis, Allen, Kingham, Tuorto, Kemeny, Fong.
Acquisition of data: Fischer, Arnaoutakis, Jarnagin, Brown, Covey, Tuorto, Fong.
Analysis and interpretation of data: Fischer, Melstrom, D’Angelica, DeMatteo, Kingham, Tuorto, Fong.
Drafting of the manuscript: Fischer, Arnaoutakis, D’Angelica, Kingham, Tuorto, Kemeny, Fong.
Critical revision of the manuscript for important intellectual content: Fischer, Melstrom, Jarnagin, Brown, Covey, DeMatteo, Allen, Kingham, Tuorto, Fong.
Statistical analysis: Fischer, Tuorto, Fong.
Obtained funding: Fong.
Administrative, technical, and material support: Fischer, Arnaoutakis, Jarnagin, D’Angelica, Tuorto, Fong.
Study supervision: Allen, Kingham, Kemeny, Fong.
Conflict of Interest Disclosures: None reported.
Funding/Support: This study was supported in part by US Public Health Service grants RO1CA75416, RO1CA72632, and RO1CA61524 (Dr Fong) from the National Institutes of Health.
Role of the Sponsor: The National Institutes of Health 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.