Accepted for Publication: October 1, 2011.
Author Contributions: Drs Crippa, Zerbi, and Falconi had full access to all of the data in the study and take responsibility for the integrity of the data and the accuracy of the data analysis. Study concept and design: Crippa, Zerbi, Di Carlo, and Falconi. Acquisition of data: Boninsegna, Capitanio, and Balzano. Analysis and interpretation of data: Crippa, Partelli, Balzano, Pederzoli, and Falconi. Drafting of the manuscript: Crippa, Capitanio, and Partelli. Critical revision of the manuscript for important intellectual content: Crippa, Zerbi, Boninsegna, Partelli, Balzano, Pederzoli, Di Carlo, and Falconi. Statistical analysis: Crippa, Boninsegna, and Partelli. Study supervision: Zerbi, Balzano, Pederzoli, Di Carlo, and Falconi.
Financial Disclosure: None reported.
Previous Presentation: This work was presented in part at the 45th Annual Pancreas Club Meeting; May 7, 2011; Chicago, Illinois.