1. Nuffield Department of Medicine, University of Oxford, Oxford OX1 3SY, UK
2. Institute of Virology, University of Veterinary Medicine, Hannover D-30559, Germany
3. Copenhagen Hepatitis C Program (CO-HEP), Copenhagen University Hospital, Hvidovre, Denmark
4. Unité des Virus Emergents, Faculté de Médecine Timone, 13385 Marseille Cedex 05, France
5. Institut für Immunologie, Friedrich-Loeffler-Institut, Südufer 10, Greifswald-Riems D-17493, Germany
6. BioProtection Systems/NewLink Genetics Corporation, 94 Jackson Road, Suite 108, Devens, MA 01434, USA
7. Abbott Laboratories, 100 Abbott Park Road, Abbott Park, IL 60064-6015, USA
8. Laboratory of Infectious Diseases, NIAID/NIH, Bethesda, MD 20892, USA
9. Baylor College of Medicine, Houston, TX 77030-3411, USA
10. Centre for Immunity, Infection and Evolution, University of Edinburgh, Edinburgh EH9 3FL, UK
11. Department of Microbiology, University of Iowa, Iowa City, IA 52242, USA
12. Department of Internal Medicine, University of Iowa, Iowa City, IA 52242, USA