Affiliation: | 1. Division of Gastroenterology and Hepatology, Mayo Clinic College of Medicine, Rochester, Minnesota;3. Department of Psychiatry and Psychology, Mayo Clinic College of Medicine, Rochester, Minnesota;4. Division of Gastroenterology and Hepatology, Department of Medicine, Virginia Commonwealth University, Richmond, Virginia;6. Department of Family Medicine, Institute for Family Health, New York, New York;5. Division of Gastroenterology and Hepatology, Department of Medicine, Indiana University School of Medicine, Indianapolis, Indiana |