1. Division of Viral Hepatitis; National Centers for HIV, Viral Hepatitis, STD, and TB Prevention; Centers for Disease Control and Prevention; Atlanta GA USA
2. Henry Ford Health System; Detroit MI USA
3. Center for Health Research; Geisinger Health System; Danville PA USA
4. The Center for Health Research; Kaiser Permanente-Northwest; Portland OR USA
5. The Center for Health Research; Kaiser Permanente-Hawaii; Honolulu Hawaii