1. Office of Women's Health, U.S. Department of Veterans Affairs, Washington, District of Columbia, USA.
2. Division of General Internal Medicine, Department of Medicine, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, USA.
3. VA Pittsburgh Health Care System, Pittsburgh, Pennsylvania, USA.
4. Division of General Internal Medicine, Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA.
5. VA Boston Healthcare System, Boston, Massachusetts, USA.
6. Division of General Internal Medicine, Department of Medicine, Albany Medical College, Albany, New York, USA.
7. VA Palo Alto Health Care System, Palo Alto, California, USA.
8. Primary Care and Population Health, Department of Medicine, Stanford University School of Medicine, Palo Alto, California, USA.
9. Department of Family Medicine and Community Health, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, USA.
10. VA Maryland Health Care System, Baltimore, Maryland, USA.
11. Division of General Internal Medicine, Department of Medicine, University of Maryland School of Medicine, Baltimore, Maryland, USA.
12. Research Design and Statistics Unit, University of Wisconsin School of Nursing and University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, USA.
13. VA New Jersey Health Care System, East Orange, New Jersey, USA.
14. Hackensack-Meridian School of Medicine, Nutley, New Jersey, USA.
15. VA Connecticut Healthcare System, West Haven, Connecticut, USA.
16. Department of Internal Medicine, Yale School of Medicine, New Haven, Connecticut, USA.
17. Division of Geriatrics and Gerontology, Department of Medicine, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, USA.
18. William S. Middleton Memorial Veterans Hospital, Madison, Wisconsin, USA.