1. Division of Gastroenterology and Hepatology Mayo Clinic Rochester MN
2. Department of Gastroenterology, School of Medicine Pontifical Catholic University of Chile Santiago Chile
3. Laboratory of Liver Diseases National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health Bethesda MD
4. Generon Corporation Ltd. Shanghai China
5. Division of Gastroenterology, Hepatology and Nutrition, Department of Internal Medicine Virginia Commonwealth University Richmond VA
6. Department of Internal Medicine Indiana University School of Medicine Indianapolis IN
7. National Institute on Alcohol Abuse and Alcoholism Bethesda MD
8. Division of Gastroenterology and Hepatology Mayo Clinic Jacksonville FL
9. Division of Gastroenterology and Hepatology Mayo Clinic Scottsdale AZ
10. Division of Anesthesiology, School of Medicine Pontifical Catholic University of Chile Santiago Chile