1. Geriatric Research Education and Clinical Center (GRECC), Veterans Affairs Palo Alto Health Care System, Palo Alto, CA, USA
2. Department of Psychiatry & Behavioral Sciences, Stanford University School of Medicine, Stanford, CA, USA
3. Geriatrics and Extended Care Services, VA Puget Sound Health Care System, Seattle, WA, USA
4. Senior Center Without Walls, Episcopal Senior Communities, Oakland, CA, USA
5. Institute for Health and Aging, University of California, San Francisco, San, Francisco, CA, USA
6. Pacific Graduate School of Psychology, Palo Alto University, Palo Alto, CA, USA