Correspondence: Antonio Pio Tortorelli, MD, Digestive Surgery Division, Department of Surgical Sciences, Catholic University, School of Medicine, Largo A. Gemelli, 8, Rome 00168, Italy (firstname.lastname@example.org).
Accepted for Publication: October 28, 2012.
Author Contributions: Study concept and design: Tortorelli, Alfieri, and Doglietto. Acquisition of data: Tortorelli, Sanchez, and Rosa. Drafting of the manuscript: Tortorelli and Sanchez. Critical revision of the manuscript for important intellectual content: Alfieri, Rosa, and Doglietto. Statistical analysis: Tortorelli. Administrative, technical, and material support: Alfieri, Sanchez, and Rosa. Study supervision: Doglietto.
Conflict of Interest Disclosures: None reported.