Accepted for Publication: July 16, 2012.
Author Contributions:Study concept and design: Pacelli, Di Leo, De Manzoni, Tonelli, and Doglietto. Acquisition of data: Rosa, Marrelli, Dicosmo, Cipollari, Marchet, Scaringi, Rausei, Di Leo, Roviello, De Manzoni, and Tonelli. Analysis and interpretation of data: Cusumano, Rosa, Cipollari, and Nitti. Drafting of the manuscript: Pacelli, Cusumano, Cipollari, and Scaringi. Critical revision of the manuscript for important intellectual content: Pacelli, Rosa, Marrelli, Dicosmo, Marchet, Scaringi, Rausei, Di Leo, Roviello, De Manzoni, Nitti, Tonelli, and Doglietto. Statistical analysis: Cusumano, Marrelli, and Cipollari. Administrative, technical, and material support: Rosa, Marchet, Scaringi, and Nitti. Study supervision: Pacelli, Rosa, Marchet, Rausei, Di Leo, Roviello, De Manzoni, Tonelli, and Doglietto.
Italian Research Group for Gastric Cancer (IRGGC) Investigators: Fabio Pacelli, MD, Giacomo Cusumano, MD, Fausto Rosa, MD, and Giovanni Battista Doglietto, MD, Department of Digestive Surgery, Catholic University of Rome; Daniele Marrelli, MD, and Franco Roviello, MD, Institute of Surgical Sciences, University of Siena; Mariantonietta Dicosmo, MD, Chiara Cipollari, MD, and Giovanni de Manzoni, MD, First Division of Surgery, University of Verona; Alberto Marchet, MD, and Donato Nitti, MD, Clinica Chirurgica Generale 2, University of Padua; Stefano Scaringi, MD, and Francesco Tonelli, MD, Surgery Unit, University of Florence; Stefano Rausei, MD, Department of Surgical Sciences, University of Insubria, Varese-Como; Alberto Di Leo, MD, General Surgery, Arco Hospital, Trento, Italy.
Conflict of Interest Disclosures: None reported.