1. Department of Gastroenterology and Hepatology Radboud University Medical Center Nijmegen The Netherlands
2. European Reference Network RARE‐LIVER Hamburg Germany
3. Department of Gastroenterology and Hepatology Rijnstate Hospital Arnhem The Netherlands
4. Department of Gastroenterology and Hepatology Leiden University Medical Center Leiden The Netherlands
5. Department of Gastroenterology and Hepatology VU University Medical Center Amsterdam The Netherlands
6. Department of Gastroenterology, Hepatology and Endocrinology Hannover Medical School Hannover Germany
7. Division of Gastroenterology Department of Internal Medicine Faculty of Medicine University of Debrecen Debrecen Hungary
8. Department of Gastroenterology and Hepatology University Hospital of Zurich Zurich Switzerland
9. Department of Gastroenterology Harran University Hospital Urfa Turkey
10. Department of Gastroenterology Numune Research and Education Hospital Ankara Turkey
11. Department of Gastroenterology Hacettepe University Ankara Turkey
12. Department of Gastroenterology and Hepatology University Hospital KU Leuven Leuven Belgium
13. Department of Gastroenterology and Hepatology University Clinic of Essen Duisburg Essen Germany
14. 1st Department of Internal Medicine University Medical Center Hamburg‐Eppendorf Hamburg Germany
15. Martin Zeitz Centre for Rare Diseases University Medical Centre Hamburg‐Eppendorf Hamburg Germany
16. Institute of Liver Studies King's College Hospital London UK