1. Infectious Diseases Service; Department of Medicine; University Hospital and University of Lausanne; Lausanne Switzerland
2. Faculty of Medicine; University of Lausanne; Lausanne Switzerland
3. Institute for Social and Preventive Medicine and Department of Medical Genetics; University Hospital and University of Lausanne; Lausanne Switzerland
4. Division of Immunology and Allergy; Centre Hospitalier Universitaire Vaudois; Lausanne Switzerland
5. Department of Hepatology; Universitätsklinikum Leipzig; Leipzig Germany
6. Epatocentro Ticino; Lugano Switzerland
7. Division of Infectious Diseases; University Hospital of Bern; Bern Switzerland
8. Storr Liver Centre; Westmead Millennium Institute; University of Sydney and Westmead Hospital; Sydney NSW Australia
9. Department of Gastroenterology; University Hospital; Basel Switzerland
10. Pourtalès Hospital; Neuchâtel Switzerland
11. Division of Gastroenterology and Hepatology; University Hospital and University of Lausanne; Lausanne Switzerland
12. Division of Gastroenterology and Hepatology; University Hospital of Zurich; Zurich Switzerland
13. Division of Clinical Pathology and Division of Gastroenterology and Hepatology; University Hospitals; Geneva Switzerland
14. Division of Gastroenterology; Canton Hospital; St. Gall Switzerland
15. Hepatology; Department of clinical Research; University of Bern; Bern Switzerland
16. Transplantation Immunology Unit; Division of Immunology and Allergy; Department Medicine and Laboratory Medicine; Geneva University Hospital and Medical School; Geneva Switzerland