1. Geriatric Research, Education and Clinical Center; Veterans Affairs Puget Sound Health Care System; Seattle Washington
2. Division of Gerontology and Geriatric Medicine; University of Washington; Seattle Washington
3. Department of Biostatistics; University of Washington; Seattle Washington
4. Epidemiologic Research and Information Center; Health Services Research and Development Center of Excellence, Hospital and Specialty Medicine; Veterans Affairs Puget Sound Health Care System; Seattle Washington
5. Division of Nephrology; University of Washington; Seattle Washington
6. Kidney Research Institute; University of Washington; Seattle Washington