[1] Villa Sofia Cervello Hosp, IBD Unit, Palermo, Italy
[2] ARNAS Civ Di Cristina Benfratelli Hosp, Gastroenterol & Endoscopy Unit, Palermo, Italy
[3] Villa Sofia Cervello Hosp, Gastroenterol Unit, Palermo, Italy
[4] Univ Naples Federico II, Dept Gastroenterol, Naples, Italy
[5] San Camillo Forlanini, Gastroenterol Unit, Rome, Italy
[6] San Filippo Neri Hosp, Dept Gastroenterol, Rome, Italy
[7] Casa Sollievo Sofferenza Hosp, IRCCS, Dept Gastroenterol, San Giovanni Rotondo, FG, Italy
[8] Sapienza Univ, Dept Gastroenterol, Rome, Italy
[9] Tor Vergata Univ, Dept Gastroenterol, Rome, Italy
[10] Palermo Univ, Dept Gastroenterol, Palermo, Italy
[11] Villa Sofia Cervello Hosp, Internal Med, Palermo, Italy