1. NAFLD Research Center; Department of Medicine; University of California at San Diego; La Jolla CA
2. Department of Radiology; University of California at San Diego; La Jolla CA
3. Human Biology; J. Craig Venter Institute; La Jolla CA
4. Division of Epidemiology; Department of Family and Preventive Medicine; University of California at San Diego; La Jolla CA
5. Liver Imaging Group; Department of Radiology; University of California at San Diego; La Jolla CA
6. Division of Gastroenterology; Department of Medicine; University of California at San Diego; La Jolla CA
7. J. Craig Venter Institute; La Jolla CA
8. Division of Gastroenterology; Department of Medicine; Boston University School of Medicine; Boston MA