1. Hospice of Lancaster County.
2. Columbia University School of Medicine, University of Pennsylvania.
3. Hospice of Lancaster County, University of Pennsylvania.
4. Division of Geriatric Medicine, University of Pennsylvania.
5. Center for Clinical Epidemiology and Biostatistics, University of Pennsylvania.
6. Center for Bioethics, University of Pennsylvania.
7. Division of Geriatric Medicine, Center for Bioethics, Center for Bioethics, Leonard Davis Institute of Health Economics and Center for Clinical Epidemiology, University of Pennsylvania.
8. Center for Health Equity Research and Promotion at the Philadelphia Veterans Affairs Medical Center.