1. Norfolk and Norwich University Hospital Norwich United Kingdom
2. Academic Department of Medical Genetics Addenbrooke's Hospital, University of Cambridge Cambridge United Kingdom
3. Wellcome Trust Sanger Institute Hinxton, Cambridge United Kingdom
4. Norwich Medical School University of East Anglia Norwich United Kingdom
5. Cambridge Transplant Centre Addenbrooke's Hospital Cambridge United Kingdom
6. National Institute for Health Research (NIHR) Birmingham Biomedical Research Centre Birmingham United Kingdom
7. Institute of Immunology & Immunotherapy University of Birmingham Birmingham United Kingdom
8. Centre for Rare Diseases, Institute of Translational Medicine University Hospitals Birmingham Birmingham United Kingdom
9. Translational Gastroenterology Unit John Radcliffe Hospital, and Nuffield Department of Medicine, University of Oxford Oxford United Kingdom
10. Norwegian PSC Research Center, Department of Transplantation Medicine Oslo University Hospital Rikshospitalet Oslo Norway
11. Institute of Clinical Medicine, Faculty of Medicine University of Oslo Oslo Norway
12. Sheila Sherlock Liver Centre, Royal Free Hospital London United Kingdom
13. Liver Medicine and Transplantation Service Freeman Hospital Newcastle United Kingdom
14. Institute of Liver Studies Kings College Hospital London United Kingdom
15. Department of Hepatology Leeds Teaching Hospital Leeds United Kingdom
16. Scottish Liver Transplant Unit Royal Infirmary of Edinburgh Edinburgh United Kingdom
17. PSC Support Oxfordshire United Kingdom
18. Toronto Centre for Liver Disease University Health Network and University of Toronto Toronto Canada