1. Liver Carcinogenesis Section, Laboratory of Human Carcinogenesis, Center for Cancer Research, National Cancer Institute; Bethesda MD
2. Department of Pathology; Medical School of Nantong University; Nantong China
3. Gastrointestinal Malignancy Section, Center for Cancer Research, National Cancer Institute; Bethesda MD
4. Liver Cancer Institute; Fudan University; Shanghai China
5. Department of Systems Biology; University of Texas, M.D. Anderson Cancer Center; Houston TX
6. Division of Gastroenterology and Hepatology, Department of Internal Medicine; Korea University College of Medicine; Seoul Korea