1. Duke Palliative Care, Division of General Internal Medicine, Department of Medicine, Duke University School of Medicine, Durham, North Carolina, USA.
2. Division of Geriatrics, Department of Medicine, Duke University School of Medicine, Durham, North Carolina, USA.
3. Center of Innovation to Accelerate Discovery and Practice Transformation (ADAPT), Durham VA Health System Health Services Research and Development, Durham, North Carolina, USA.
4. Duke University Sanford School of Public Policy, Durham, North Carolina, USA.
5. Center for the Study of Aging and Human Development, Duke University, Durham, North Carolina, USA.
6. Division of Hospital Medicine and Office of Research, Denver Health, Denver, Colorado, USA.
7. Division of Hospital Medicine, Department of Medicine, University of Colorado, Anschutz Medical Campus, Denver, Colorado, USA.
8. Division of General Internal Medicine, Department of Medicine, University of Colorado, Anschutz Medical Campus, Denver, Colorado, USA.
9. The Hastings Center, Garrison, New York, USA.
10. Duke University School of Nursing, Duke University, Durham, North Carolina, USA.
11. Geriatrics Research, Education and Clinical Center, Veterans Affairs Medical Center, Durham, North Carolina, USA.