1. NAFLD Research Center; Department of Medicine; La Jolla California
2. Université Lyon 1; Hospices Civils de Lyon; Lyon France
3. Department of Radiology; University of California at San Diego; La Jolla California
4. Liver Imaging Group, Department of Radiology; University of California at San Diego; La Jolla California
5. Human Biology; J. Craig Venter Institute; La Jolla California
6. Division of Gastroenterology, Department of Medicine; La Jolla California
7. Division of Epidemiology, Department of Family and Preventive Medicine; University of California at San Diego; La Jolla California