Affiliation: | 1. Gastroenterology Unit, Department of Medical and Surgical Sciences, University of Foggia, Foggia, Italy;2. Laboratory of Biochemistry and Tumor Biology, National Institute for Digestive Diseases, IRCCS “Saverio de Bellis”, Castellana Grotte, Italy;3. Gastroenterology Unit, Department of Emergency and Organ Transplantation, University of Bari, Bari, Italy |