1. Department of Internal Medicine, Division of Gastroenterology and Hepatology, University of California Davis, CA, USA
2. Department of Nutrition, University of California Davis, CA, USA
3. Department of Public Health Sciences, Division of Biostatistics, University of California Davis, CA, USA
4. Department of Animal Science, University of California Davis, CA, USA
5. Research Service, Veterans Affairs Nebraska-Western Iowa Health Care System, Omaha, NE, USA
6. Department of Pathology, University of California Davis, CA, USA
7. Department of Medical Microbiology and Immunology, Genome Center, and MIND Institute, University of California Davis, CA, USA
8. Department of Internal Medicine, Division of Cardiovascular Medicine, University of California Davis, CA, USA