1. Department of Clinical Medicine and Surgery Federico II UniversityNapoli Italy
2. Department of Medical and Surgical Sciences University of BolognaBologna Italy
3. Department of Biochemical and Clinical Sciences University of MilanMilan Italy
4. Department of Gastroenterology AOU CareggiFlorence Italy
5. Gastroenterology and Hepatology Section University of Perugia School of MedicinePerugia Italy
6. Department of General Surgery EO Ospedale GallieraGenoa Italy
7. GI Unit AUSLRavenna Italy
8. Pathology Unit IRCCS San Martino-IST University HospitalGenoa Italy
9. Department of Radiological Sciences, Oncology and Pathology La ‘Sapienza’ UniversityRome Italy
10. Gastroenterology Unit L. Sacco University HospitalMilan Italy
11. Department of Molecular and Translational Medicine University of BresciaBrescia Italy
12. Clinical Pharmacology & Digestive Pathophysiology Unit University of ParmaParma Italy
13. Pathology Unit, Spedali Civili BresciaBrescia Italy
14. Medical-Surgical and Translational Medicine Department La Sapienza UniversityRome Italy