1. Department of Medical and Surgical Sciences University of Bologna Bologna Italy
2. Cardiovascular Medicine Unit, Heart, Chest and Vascular Department IRCCS Azienda Ospedaliero‐Universitaria di Bologna Bologna Italy
3. Gastroenterology and Digestive Endoscopy Nuovo Regina Margherita Hospital Rome Italy
4. Oncologic Screening Unit ASL Toscana Nord‐Ovest (ATNO) Carrara Italy
5. Digestive Endoscopy Unit ASL Toscana Nord‐Ovest (ATNO), “Spedali Riuniti” Hospital Livorno Italy
6. Emergency Unit, Area Spoke AUSL Bologna Bologna Italy
7. Microbiology Unit IRCCS Azienda Ospedaliero‐Universitaria di Bologna Bologna Italy