Accepted for Publication: June 16, 2014.
Published Online: February 11, 2015. doi:10.1001/jamasurg.2014.2881.
Study concept and design: Bischof, Kim, Dodson, Cocieru, Kooby, Pawlik.
Acquisition, analysis, or interpretation of data: Bischof, Kim, Jimenez, Behman, Cocieru, Fisher, Groeschl, Squires, Maithel, Blazer, Kooby, Gamblin, Bauer, Quereshy, Karanicolas, Law.
Drafting of the manuscript: Bischof, Jimenez, Gamblin.
Critical revision of the manuscript for important intellectual content: Bischof, Kim, Dodson, Behman, Cocieru, Fisher, Groeschl, Squires, Maithel, Blazer, Kooby, Bauer, Quereshy, Karanicolas, Law, Pawlik.
Statistical analysis: Bischof, Kim, Behman, Cocieru, Groeschl, Squires, Kooby.
Administrative, technical, or material support: Jimenez, Fisher, Squires, Gamblin, Pawlik.
Study supervision: Groeschl, Maithel, Gamblin, Bauer, Pawlik.
Conflict of Interest Disclosures: Dr Bischof reported completing this work when supported by the Detweiler Travelling Fellowship from the Royal College of Physicians and Surgeons of Canada. No other disclosures were reported.
Previous Presentation: This study was presented as a poster at the Society of Surgical Oncology 2014 Annual Cancer Symposium; March 11-12, 2014; Phoenix, Arizona.