1. Institute of Global Health; University of Geneva; Geneva Switzerland
2. Institute of Social and Preventive Medicine; University of Bern; Bern Switzerland
3. Gastroenterology and Hepatology University Hospital Zurich; Zurich Switzerland
4. Federal Statistical Office; Neuchâtel Switzerland
5. Hepatology, Department of Clinical Research; University of Bern; Bern Switzerland
6. University Clinic of Visceral Surgery and Medicine; Inselspital Bern; Bern Switzerland
7. Division of Gastroenterology and Hepatology; University Hospital Lausanne (CHUV); Lausanne Switzerland
8. Arud Centres for Addiction Medicine; Zurich Switzerland
9. Epatocentro Ticino; Lugano Switzerland
10. Division of Gastroenterology and Hepatology; St Gallen Switzerland
11. Checkpoint Zurich; Zurich Switzerland
12. Institute of Mathematical Statistics and Actuarial Science; University of Bern; Bern Switzerland
13. Divisions of Gastroenterology and Hepatology and of Clinical Pathology; University Hospitals Geneva; Geneva Switzerland