1. School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
2. Division of Occupational Health, Fondazione IRCCS San Gerardo dei Tintori, Monza, Italy
3. Division of Gastroenterology, Center for Autoimmune Liver Diseases and European Reference Network on Hepatological Diseases (ERN RARE-LIVER), Fondazione IRCCS San Gerardo dei Tintori, Monza, Italy