| Affiliation: | 1. Gastroenterology Unit, Department of Medical and Surgical Sciences, S.Orsola-Malpighi Hospital, University of Bologna, Bologna, Italy;2. Gastroenterology Unit, Valduce Hospital, Como, Italy;3. Digestive Endoscopy Unit, Fondazione Poliambulanza, Brescia, Italy;4. Gastroenterology Unit, S. Maria delle Croci Hospital, Ravenna, Italy;5. Department of Specialized Medicine, Digestive Pathophysiology Unit, Baggiovara Hospital, Modena, Italy;6. Unit of Gastroenterology and Digestive Endoscopy, Forli-Cesena Hospital, AUSL Romagna, Forli-Cesena, Italy;7. UOSD Gastroenterologia ed Endoscopia Digestiva, Azienda USL di Modena, Italy;8. Department of Internal Medicine, Gastroenterology and Hepatology Unit, "Guglielmo da Saliceto" Hospital, Via Taverna 49, Piacenza, Italy;9. Department of Gastroenterology, ASST Rhodense, Rho and Garbagnate Milanese Hospital, Milan, Italy;10. Gastroenterology and Digestive Endoscopy Unit, Ospedale Maggiore della Carità, Novara, Italy;11. Digestive Endoscopy Unit, Centro Traumatologico-Ortopedico Hospital, Iglesias, Italy;12. Endoscopy Unit, Nuovo Regina Margherita Hospital, Rome, Italy |
