Affiliation
Liver Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland, USA.; Graduate School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.; Laboratory of Pathology, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA.; Georgetown University, Washington, District of Columbia, USA.; Graduate School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.; University of California San Francisco, San Francisco, California, USA.; University of Michigan, Ann Arbor, Michigan, USA.