1. Vatche and Tamar Manoukian Division of Digestive Diseases, Department of Medicine, David Geffen School of Medicine at University of California, Los Angeles (UCLA), Los Angeles
2. Department of Medicine, Veterans Affairs Greater Los Angeles Healthcare System, Los Angeles, California
3. Kaiser Permanente Bernard J. Tyson School of Medicine, Pasadena, California
4. Department of Public Health, California State University, Fullerton
5. School of Social Welfare, University of California, Berkeley, Berkeley
6. Department of Health Policy and Management, UCLA Fielding School of Public Health
7. Division of General Internal Medicine and Health Services Research, Department of Medicine, David Geffen School of Medicine at UCLA
8. Division of Liver Transplantation, Department of Surgery, David Geffen School of Medicine at UCLA
9. Division of Gastrointestinal and Liver Diseases, Department of Medicine, Keck School of Medicine of University of Southern California, Los Angeles
10. Karsh Division of Gastroenterology and Comprehensive Transplant Center, Cedars Sinai Medical Center, Los Angeles, California
11. RAND Health Care, Santa Monica, California