1. CDA Foundations Lafayette Colorado USA
2. Department of Infectious Diseases and Hospital Hygiene Cantonal Hospital Aarau Aarau Switzerland
3. Arud Centre for Addiction Medicine Zurich Switzerland
4. Swiss Hepatitis Zurich Switzerland
5. Epatocentro Lugano Switzerland
6. Department of Gastroenterology and Hepatology University Hospital Zurich Zurich Switzerland
7. Divisions of Gastroenterology and Hepatology and of Clinical Pathology University Hospitals Geneva Switzerland
8. Independent Physician Basel Switzerland
9. Division of Gastroenterology and Hepatology Cantonal Hospital St. Gallen Switzerland