1. Laboratory of Infectious Diseases; National Institute of Allergy and Infectious Diseases; National Institutes of Health; Bethesda Maryland
2. Copenhagen Hepatitis C Program (CO-HEP); Department of Infectious Diseases and Clinical Research Centre; Hvidovre Hospital; Hvidovre Denmark
3. Department of International Health, Immunology and Microbiology, Faculty of Health and Medical Sciences, Copenhagen N; University of Copenhagen; Copenhagen Denmark
4. Department of Transfusion Medicine; Grant Magnuson Clinical Center; National Institutes of Health; Bethesda Maryland