1. Division of Gastroenterology, Center for Autoimmune Liver Diseases, Department of Medicine and Surgery, University of Milano-Bicocca, Monza Italy
2. European Reference Network on Hepatological Diseases (ERN RARE-LIVER), San Gerardo Hospital, Monza Ital
3. Department of Biomedical Sciences, Humanitas University, Italy
4. Humanitas Clinical and Research Center, IRCCS, Italy
5. Division of Rheumatology, Allergy and Clinical Immunology, University of California, United States