| Affiliation: | 3. Department of Health and Human Services, Division of Digestive Diseases and Nutrition, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland;4. Gastrointestinal Unit (Medical Services), Massachusetts General Hospital and the Department of Medicine, Harvard Medical School, Boston, Massachusetts;5. New England Research Institutes, Watertown, Massachusetts;12. Division of Gastrointestinal and Liver Diseases, Keck School of Medicine, University of Southern California, Los Angeles, California;8. Liver-Biliary-Pancreatic Center and Departments of Medicine and Molecular & Structural Biology, University of Connecticut Health Center, Farmington, Connecticut;9. Division of Digestive and Liver Diseases, University of Texas Southwestern Medical Center, Dallas, Texas;112. Department of Laboratory Medicine, University of Washington, Seattle, Washington |
