1. Cedars-Sinai Center for Outcomes Research and Education, Los Angeles, California
2. Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, California
3. Karsh Division of Gastroenterology and Hepatology, Cedars-Sinai Medical Center, Los Angeles, California
4. Division of Health Services Research, Cedars-Sinai Medical Center, Los Angeles, California
5. Division of Informatics, Cedars-Sinai Medical Center, Los Angeles, California