1. Center for Infection and Immunity, Columbia University, New York, New York, USA
2. Roslin Institute, University of Edinburgh, Edinburgh, United Kingdom
3. North Carolina College of Veterinary Medicine, Raleigh, North Carolina, USA
4. Laboratory of Virology and Infectious Disease, Center for the Study of Hepatitis C, The Rockefeller University, New York, New York, USA
5. Copenhagen Hepatitis C Program (CO-HEP), Department of Infectious Diseases and Clinical Research Centre, Copenhagen University Hospital, Hvidovre, and Department of International Health, Immunology and Microbiology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
6. California Animal Health and Food Safety Laboratory, University of California—Davis, Davis, California, USA
7. Department of Pathobiology, College of Veterinary Medicine, Auburn University, Auburn, Alabama, USA
8. Clinical Dental Research Core, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, Maryland, USA