Affiliation: | 1. Gastroenterology & Digestive Endoscopy Unit, Department of Internal Medicine, University of Genoa, Genova, Italy;2. Division of Gastroenterology & Digestive Endoscopy, Bolognini Teaching Hospital, Milano, Italy;3. Clinical Pharmacology & Digestive Pathophysiology Unit, Department of Clinical & Experimental Medicine, University of Parma, Parma, Italy |