1. Infectious Diseases Unit, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Azienda Ospedaliero, Universitaria di Bologna, Bologna, Italy, Department of Medical and Surgical Sciences, Alma Mater Studiorum University of Bologna, Bologna,
Italy
2. Microbiology Unit, IRCCS Azienda Ospedaliero, Universitaria di Bologna, Bologna, Italy, Department of Experimental, Diagnostic and Specialty Medicine, Alma Mater Studiorum University of Bologna, Bologna, Italy
3. Microbiology Unit, IRCCS Azienda Ospedaliero, Universitaria di Bologna, Bologna, Italy
4. Department of Experimental, Diagnostic and Specialty Medicine, Alma Mater Studiorum University of Bologna, Bologna, Italy, Respiratory and Critical care Unit, IRCCS Azienda Ospedaliero, Universitaria di Bologna, Bologna, Italy
5. Digestive Endoscopy Unit and Gastroenterology, Fondazione Poliambulanza, Brescia, Italy, Digestive Endoscopy Unit, Catholic University of the Sacred Heart, Rome, Italy
6. Department of Medical and Surgical Sciences, Alma Mater Studiorum University of Bologna, Bologna, Italy