[1] SAN FILIPPO NERI Hosp, UOS IBD, Rome, Italy
[2] Azienda Ospedaliera San Camillo Forlanini, Gastroenterol & Endoscopy Unit, Rome, Italy
[3] Fdn Policlin Univ A Gemelli IRCCS, Internal Med & Gastroenterol Unit, Rome, Italy
[4] Sapienza Univ Rome, Dept Publ Hlth & Infect Dis, Rome, Italy