1. Unit of Gastroenterology Borgo Trento University Hospital of Verona Verona Italy
2. IRCCS Azienda Ospedaliero‐Universitaria di Bologna, Policlinico di S. Orsola European Reference Network on Hepatological Diseases (ERN RARE‐LIVER) Bologna Italy
3. Department of Medical and Surgical Sciences (DIMEC) University of Bologna Bologna Italy
4. Division of Gastroenterology Azienda Ospedaliero‐Universitaria di Modena and University of Modena and Reggio Emilia Modena Italy
5. Cystic Fibrosis Center Borgo Trento University Hospital of Verona Verona Italy
6. Department of Pediatrics University of Modena Modena Italy
7. Centre de Recherche sur L'inflammation Université Paris‐Cité, Inserm, UMR 1149 Paris France
8. Centre de Référence des Maladies Vasculaires du Foie, FILFOIE, ERN RARE‐LIVER Service d'Hépatologie, AP‐HP, Hôpital Beaujon, DMU DIGEST Clichy France