1. Gastroenterology Unit, Chimomo Department, University of Modena and Reggio Emilia, 41125 Modena, Italy
2. Clinical and Experimental Medicine Program, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, 41125 Modena, Italy
3. National Institute of Gastroenterology “IRCCS Saverio de Bellis”, Research Hospital, 70013 Castellana Grotte, Italy
4. Gastroenterology Unit, Azienda Ospedaliero-Universitaria di Modena, 41124 Modena, Italy