1. Department of Internal Medicine, University of California, Davis, California, USA.
2. Division of Gastroenterology and Hepatology, University of California, Davis, California, USA.
3. Department of Public Health Sciences, University of California, Davis, California, USA.
4. Division of Endocrinology, Diabetes and Metabolism, University of California, Davis, California, USA.
5. Clinical Informatics, University of California, Davis, California, USA.