1. Department of Public Health Sciences; Henry Ford Health System; Detroit Michigan
2. Division of Gastroenterology and Hepatology; Henry Ford Health System, and Wayne State University School of Medicine; Detroit Michigan
3. Center for Health Policy and Health Services Research; Henry Ford Health System; Detroit Michigan
4. Division of Viral Hepatitis; National Center for HIV, Hepatitis, STD, and TB Prevention; Centers for Disease Control and Prevention; Atlanta Georgia
5. Department of Epidemiology & Health Services Research; Geisinger Clinic; Danville Pennsylvania
6. Center for Health Research; Kaiser Permanente-Northwest; Portland Oregon
7. Center for Health Research; Kaiser Permanente-Hawai'i; Honolulu Hawaii