1. Geriatric Research, Education, and Clinical Center (B.G.A., L.S.Q.), Veteran's Administration Puget Sound Health Care System, Seattle, Washington 98108
2. Division of Gerontology and Geriatric Medicine (B.G.A., L.S.Q.), Department of Medicine, University of Washington, Seattle, Washington 98195
3. Research Service (L.S.Q.), Veteran's Administration Puget Sound Health Care System, Seattle, Washington 98108