1. Center for Health Equity Research and Promotion VA Pittsburgh Healthcare System Pittsburgh PA
2. Department of Surgery School of Medicine University of Pittsburgh Pittsburgh PA
3. Division of Gastroenterology, Hepatology, and Nutrition School of Medicine University of Pittsburgh Pittsburgh PA
4. Department of Biostatistics University of Pittsburgh Pittsburgh PA
5. Division of General Internal Medicine School of Medicine University of Pittsburgh Pittsburgh PA
6. Centers for Value Based Pharmacy Initiatives and High Value Health Care UPMC Health Plan Insurance Division Pittsburgh PA
7. HIV, Hepatitis, and Related Conditions Programs Office of Specialty Care Services Veterans Health Administration Washington DC
8. Department of Psychiatry School of Medicine University of Pittsburgh Pittsburgh PA
9. Gastroenterology Section VA Long Beach Healthcare System Long Beach CA
10. Division of Gastroenterology Department of Medicine University of California Irvine CA