1. University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
2. Department of Medicine (Geriatric Medicine), University of Pittsburgh, Pittsburgh, Pennsylvania
3. VITAS Healthcare and University of Central Florida, Orlando, Florida
4. Department of Medicine (Geriatric and Palliative Medicine), University of Chicago, Chicago, Illinois
5. Department of Physical Therapy, University of Pittsburgh School of Health and Rehabilitation Science, Pittsburgh, Pennsylvania
6. Duke University Hospital, Durham, North Carolina
7. Saint Louis University School of Medicine, St. Louis, Missouri
8. Department of Biostatistics, University of Pittsburgh, Pittsburgh, Pennsylvania
9. Office of Research, University of Pittsburgh School of Dental Medicine, Pittsburgh, Pennsylvania
10. Department of Dental Public Health, University of Pittsburgh School of Dental Medicine, Pittsburgh, Pennsylvania
11. Geriatric Research, Education and Clinical Center, VA Pittsburgh Healthcare System, Pittsburgh, Pennsylvania
12. Department of Psychiatry, University of Pittsburgh, Pittsburgh, Pennsylvania
13. Department of Anesthesiology, University of Pittsburgh, Pittsburgh, Pennsylvania
14. Clinical and Translational Science Institute, University of Pittsburgh, Pittsburgh, Pennsylvania, USA