1 Liver Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland; Department of Gastroenterology and Hepatology, VU University Medical Center, Amsterdam, The Netherlands.
2 Duke Clinical Research Institute, Durham, North Carolina.
3 Division of Pharmacotherapy and Experimental Therapeutics, University of North Carolina, Chapel Hill, North Carolina.
4 Department of Laboratory Medicine, Clinical Center, National Institutes of Health, Bethesda, Maryland.
5 Division of Gastroenterology and Hepatology, Indiana University School of Medicine, Indianapolis, Indiana.
6 Laboratory of Pathology, National Cancer Institute, National Institutes of Health, Bethesda, Maryland.
7 Liver Disease Research Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland.