1. Liver Diseases Branch; National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health; Bethesda MD
2. Baruch S. Blumberg Institute; Doylestown PA
3. National Center for Emerging and Zoonotic Infectious Diseases; Centers for Disease Control and Prevention; Anchorage AK
4. Department of Infectious Diseases; Molecular Virology and German Center for Infection Diseases, University Hospital Heidelberg; Heidelberg Germany
5. Hepatology Department; Lyon University and Cancer Research Center of Lyon, INSERM U1052; Lyon France
6. Victorian Infectious Diseases Reference Laboratory; Doherty Institute; Melbourne VIC Australia
7. Department of Medicine; Philadelphia Veterans Affairs Medical Center and the University of Pennsylvania Perelman School of Medicine; Philadelphia PA
8. Division of Gastroenterology and Hepatology; University of Michigan; Ann Arbor MI