1. Oregon Health & Science University, Division of Infectious Diseases, Department of Medicine; VA Portland Health Care System , Portland, Oregon , USA
2. University of Washington, Department of Medicine, VA Puget Sound Health Care System , Seattle, Washington USA
3. VA Puget Sound Health Care System , Seattle, Washington USA
4. Yale University School of Medicine, Department of Laboratory Medicine, VA Connecticut Healthcare System , New Haven, Connecticut USA
5. Case Western Reserve University School of Medicine, Division of Infectious Diseases, VA North East Ohio Health Care System , Cleveland, Ohio USA
6. VA Pittsburgh Health Care System , Pittsburgh Pennsylvania , USA ; , Pittsburgh, PA , USA
7. Departments of Medicine and Surgery, University of Pittsburgh , Pittsburgh Pennsylvania , USA ; , Pittsburgh, PA , USA
8. Office of Specialty Care Services, Department of Veterans Affairs , Washington DC, Washington , USA
9. HIV, Hepatitis, and Related Conditions, Office of Specialty Care Services, Department of Veterans Affairs , Washington DC, Washington , USA