1 Division of Gastroenterology, Department of Medicine and Surgery, Center for Autoimmune Liver Diseases, University of Milan Bicocca, 20900, Milan, Italy.
2 European Reference Network on Hepatological Diseases (ERN RARE-LIVER), San Gerardo Hospital, Monza, Italy.
3 Division of Gastroenterology, Department of Medicine and Surgery, Center for Autoimmune Liver Diseases, University of Milan Bicocca, 20900, Milan, Italy. marco.carbone@unimib.it.
4 European Reference Network on Hepatological Diseases (ERN RARE-LIVER), San Gerardo Hospital, Monza, Italy. marco.carbone@unimib.it.