| Affiliation: | 1. Department of Radiology, University of Missouri Kansas City School of Medicine, Saint Luke''s Hospital, 4401 Wornall Rd, Kansas City, MO 64111;2. Department of Radiology and Surgery/Section of Vascular and Interventional Radiology, Medical College of Wisconsin;3. Departments of Gastroenterology and Hepatology, Medical College of Wisconsin;4. Division of Biostatistics, Medical College of Wisconsin;5. Radiology Division, Aurora Medical Group, Milwaukee, Wisconsin;6. Department of Biostatistics, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland;7. Department of Radiology, Emory Winship Cancer Institute, Emory University School of Medicine, Atlanta, Georgia |
