1. Health Services Research and Development; Veterans Affairs Puget Sound Healthcare System, Seattle, Washington; Seattle Washington
2. Division of Gerontology and Geriatric Medicine; University of Washington; Seattle Washington
3. Provisional Oregon Health and Science University; Portland Oregon
4. Department of Health Services, Policy, and Practice, School of Public Health; Brown University; Providence Rhode Island
5. Institute for Social Research; University of Michigan; Ann Arbor Michigan
6. Department of Health Policy and Management, Bloomberg School of Public Health; Johns Hopkins University; Baltimore Maryland
7. Providence Veterans Administration Medical Center; Providence Rhode Island