1. Department of Bioinformatics; Tongji University; Shanghai China
2. Digestive Diseases and Nutrition Center, Department of Pediatrics; The State University of New York at Buffalo; Buffalo New York USA
3. Division of Gastroenterology and Hepatology, Department of Medicine; Duke University; Durham North Carolina USA
4. Division of Gastroenterology and Hepatology, Department of Medicine; Durham Veterans Affairs Medical Center; Durham North Carolina USA
5. Department of Pathology; Duke University; Durham North Carolina USA
6. Liver Transplantation Center; Brotzu Hospital; 09134 Cagliari Italy
7. Department of Pathology; University of Southern California; Los Angeles California USA
8. Laboratory of Infectious Diseases; National Institute of Allergy and Infectious Diseases, National Institutes of Health; Bethesda Maryland USA