1. Toronto Centre for Liver Disease, Toronto General Hospital University Health Network Toronto Ontario Canada
2. Schiff Center for Liver Diseases, Division of Digestive Health and Liver Diseases University of Miami Miami Florida USA
3. University of Toronto Toronto Ontario Canada
4. National Institute for Health Research Birmingham Biomedical Research Centre and Centre for Liver Research University of Birmingham Birmingham UK
5. Centre de Référence des Maladies Inflammatoires des Voies Biliaires Hôpital Saint‐Antoine Paris France
6. Erasmus MC University Medical Center Rotterdam Rotterdam Netherlands
7. Department of Health Sciences Università degli Studi di Milano Milan Italy
8. Arizona State University Phoenix Arizona USA
9. Department of Hepatology University Hospitals Leuven, KU Leuven Leuven Belgium
10. Liver Institute Northwest Washington USA
11. Department of Internal Medicine IV Jena University Hospital, Friedrich Schiller University, Jena, Department of Internal Medicine III, University Hospital RWTH Aachen Aachen Germany
12. Department of Surgery, Oncology and Gastroenterology University of Padua Padua Italy
13. IRCCS Negrar Verona Italy
14. Divison of Gastroenterology and Hepatology University of Alberta Edmonton Alberta Canada
15. Department of Gastroenterology and Hepatology Academic Medical Center Amsterdam the Netherlands
16. Division of Gastroenterology and Center for Autoimmune Liver Diseases, Department of Medicine and Surgery University of Milano‐Bicocca, European Reference Network on Hepatological Diseases, San Gerardo Hospital Monza Italy
17. Division of Internal Medicine and Hepatology, IRCCS Humanitas Research Hospital, Department of Biomedical Sciences Humanitas University Rozzano (Milan) Italy
18. Digestive and Liver diseases UT Southwestern Medical Center Dallas Texas USA
19. Department of Medicine and Research Laboratory of Internal Medicine, National Expertise Center of Greece in Autoimmune Liver Diseases, Full Member of the European Reference Network on Hepatological Diseases (ERN RARE‐LIVER) General University Hospital of Larissa Larissa Greece
20. The Sheila Sherlock Liver Centre The Royal Free Hospital London UK
21. Department of Gastroenterology and Hepatology Ghent University Hospital Ghent Belgium
22. Liver Unit, Hospital Clínic de Barcelona, Health Care Provider of the European Reference Network on Hepatological Diseases (ERN RARE‐LIVER) CIBERehd IDIBAPS, University of Barcelona Barcelona Spain
23. Indiana University School of Medicine Indianapolis Indiana USA