1. Department of Medicine and Surgery University of Milano‐Bicocca Monza Italy
2. Division of Gastroenterology and Center for Autoimmune Liver Diseases, European Reference Network on Hepatological Diseases (ERN RARE‐LIVER) San Gerardo Hospital Monza Italy
3. Gastroenterology and Endoscopy Unit, ASST Ovest Milanese Legnano Hospital Legnano Italy
4. Pancreas Translational & Clinical Research Center, Pancreato‐Biliary Endoscopy & Endosonography Division San Raffaele Scientific Institute IRCCS Milan Italy
5. Gastroenterology and Endoscopy IRCCS Ospedale San Raffaele and Vita‐Salute San Raffaele University Milan Italy