1. Emergency Medicine, Fondazione Policlinico Universitario A, Gemelli, IRCCS, Rome, Italy.
2. Emergency Surgery and Trauma, Fondazione Policlinico Universitario A, Gemelli, IRCCS, Rome, Italy.
3. Digestive Surgery, and Fondazione Policlinico Universitario A, Gemelli, IRCCS, Rome, Italy.
4. Department of Internal Medicine and Gastroenterology, Fondazione Policlinico Universitario A, Gemelli, IRCCS, Rome, Italy.
5. Università Cattolica del Sacro Cuore, Rome, Italy.