1. Section of Endocrinology; Yale University School of Medicine; New Haven CT
2. Laboratory of Hepatology and Gastroenterology; Ghent University; Ghent Belgium
3. Institute of Liver Studies, Faculty of Life Sciences and Medicine, King's College Hospital, King's College London; London UK
4. Clinical Research Centre for Autoimmune Liver Disease, Beijing You-an Hospital; Capital Medical University; Beijing China
5. Department of Rheumatology; PLA General Hospital; Beijing China
6. Division of Gastroenterology, Hepatology and Nutrition; Sainte-Justine University Hospital; Montreal Canada
7. Immunovirology Laboratory; Institut national de la recherche scientifique, INRS-Institut Armand-Frappier; Laval Québec Canada
8. Department of Immunology; Mayo Clinic; Rochester MN