1. Center for Access and Delivery Research & Evaluation (CADRE) Iowa City VA Healthcare System Iowa City Iowa
2. Iowa City VA Healthcare System Iowa City Iowa
3. Department of Internal Medicine University of Iowa Hospitals and Clinics Iowa City Iowa
4. General Medicine Service and Health Services Research and Development Seattle Washington
5. VA Puget Sound Health Care System Seattle Washington
6. Department of Medicine University of Washington School of Medicine Seattle Washington
7. Department of Gastroenterology and Hepatology University of Iowa Hospitals and Clinics Iowa City Iowa