1. NAFLD Research Center; Department of Medicine; University of California; San Diego La Jolla CA
2. Université Lyon 1; Hospices Civils de Lyon, Lyon France
3. Department of Radiology, Medical Physics, Biomedical Engineering, Medicine, and Emergency Medicine; University of Wisconsin-Madison; Madison WI
4. Liver Imaging Group, Department of Radiology; University of California; San Diego La Jolla CA
5. Division of Gastroenterology, Department of Medicine; University of California; San Diego La Jolla CA
6. Division of Epidemiology, Department of Family and Preventive Medicine; University of California; San Diego La Jolla CA