Affiliation: | Giuseppe S Sica,Edoardo Iaculli,Sara Di Carlo,Rosa Scar-amuzzo,Cristina Fiorani,Paolo Gentileschi,Achille L Gas-pari,Department of Surgical Sciences,Tor Vergata University Hospital,00133 Rome,Italy Livia Biancone,Department of Internal Medicine,Gastrointesti-nal Unit,Italy |