Accepted for Publication: February 16, 2011.
Author Contributions: Dr Manes had full access to all the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis. Study concept and design: Manes, Repici, Masci, and Ardizzone. Acquisition of data: Manes, de Bellis, Fuccio, Repici, Ardizzone, Mangiavillano, Carlino, Rossi, Occhipinti, and Cennamo. Analysis and interpretation of data: Manes, Repici, and Ardizzone. Drafting of the manuscript: Manes, Mangiavillano, and Carlino. Critical revision of the manuscript for important intellectual content: Manes, de Bellis, Fuccio, Repici, Masci, Ardizzone, Rossi, Occhipinti, and Cennamo. Administrative, technical, and material support: Manes, Repici, Ardizzone, Mangiavillano, Carlino, Rossi, and Occhipinti. Study supervision: Manes, de Bellis, Fuccio, Masci, and Cennamo.
Financial Disclosure: None reported.
Previous Presentation: The study was presented at the United European Gastroenterology Week; October 27, 2010; Barcelona, Spain.
Additional Contributions: Maura C. Tracey, BSN, RN, provided editorial assistance.