1. Brown University School of Public Health, Providence, Rhode Island
2. Providence VA Medical Center, Providence, Rhode Island
3. Research and Development Service, Tuscaloosa VA Medical Center, Tuscaloosa, Alabama
4. Department of Psychology, The University of Alabama, Tuscaloosa
5. Alabama Research Institute on Aging, The University of Alabama, Tuscaloosa
6. Department of Medicine, Division of Gerontology, Geriatrics, and Palliative Care, The University of Alabama at Birmingham
7. Johns Hopkins School of Nursing, Baltimore, Maryland
8. Icahn School of Medicine at Mount Sinai, New York, New York