1. Division of Gastroenterology and Hepatology; Stanford University School of Medicine; Palo Alto California
2. Divisions of Gastroenterology and Epidemiology; University of California at San Diego; La Jolla California
3. Section of Hepatology, Division of Gastroenterology and Rheumatology, Department of Internal Medicine; University of Leipzig; Leipzig Germany
4. Gilead Sciences Inc; Foster City California
5. Department of Biostatistics; Mayo Clinic; Rochester Minnesota
6. Division of Gastroenterology and Hepatology; Weill Cornell Medical College; New York New York
7. Department of Gastroenterology; University of Toronto; Toronto Ontario Canada
8. Department of Gastroenterology; Uludag University Medical School; Bursa Turkey
9. Liver Unit; University Hospital Vall d'Hebron and Institute Ciberehd Carlos III; Barcelona Spain
10. Hepatology Service, Beaujon Hospital; Paris-Diderot University and INSERM CRI/UMR 1149; Viral Hepatitis Research Centre Clichy France