1. Duke Clinical Research Institute; Duke University Medical Center; Durham North Carolina
2. Department of Medicine; Duke University Medical Center; Durham North Carolina
3. Departments of Community Health and Geriatrics; Boonshoft School of Medicine; Wright State University; Dayton Ohio
4. Center for the Study of Aging/Claude D. Pepper Older Americans Independence Center; Duke University Medical Center; Durham NC
5. Department of Biostatistics and Bioinformatics; Duke University Medical Center; Durham NC
6. School of Nursing; Duke University Medical Center; Durham North Carolina
7. Geriatric Research; Education; and Clinical Center; VA Medical Center; Durham NC
8. Health Services Research and Development Service; VA Medical Center; Durham NC
9. Department of Psychiatry and Behavioral Sciences; Duke University Medical Center; Durham North Carolina