Carmine Petruzziello1, Dario Sinatti1, Valeria Petroselli1, Maria Elena Riccioni2, Maria Cristina Giustiniani3, Francesco Franceschi1, Veronica Ojetti1
1Department of Emergency Medicine, 2Department of Gastrointestinal Endoscopy, 3Department of Histopatology, Fondazione Policlinico Universitario A. Gemelli IRCCS, Università Cattolica del Sacro Cuore, 00168 Rome, Italy.