Accepted for Publication: October 1, 2014.
Published Online: March 25, 2015. doi:10.1001/jamasurg.2014.3176.
Study concept and design: Mohanty, Paruch, Ko, Bilimoria.
Acquisition, analysis, or interpretation of data: Mohanty, Liu, Kmiecik, Cohen, Bilimoria.
Drafting of the manuscript: Mohanty, Bilimoria.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Mohanty, Liu, Paruch, Cohen.
Administrative, technical, or material support: Mohanty, Kmiecik.
Study supervision: Ko, Bilimoria.
Conflict of Interest Disclosures: None reported.
Funding/Support: Dr Mohanty is supported by the Clinical Scholar in Residence Program from the American College of Surgeons and by the American Geriatric Society and the Hartford 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.