1. Liver and Energy Metabolism Unit, Liver Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases; National Institutes of Health; Bethesda MD
2. Department of Gastroenterology; Louis Stokes VA Medical Center; Cleveland OH
3. Department of Medicine; MedStar Washington Hospital Center; Washington DC
4. Department of Medicine; MedStar Health; Baltimore MD
5. Lymphoid Malignancies Branch, Center for Cancer Research; National Cancer Institute, National Institutes of Health; Bethesda MD
6. Radiology and Imaging Sciences; National Institutes of Health Clinical Center; Bethesda MD