1. Duke University, Sanford School of Public Policy, Center for the Study of Aging and Human Development, Center for Palliative Care, Duke University School of Medicine, Duke-Margolis Center for Health Policy, Health Services Research & Development, Durham VA Health System, Durham, NC, USA
2. Department of Medicine, Division of Geriatrics, Center for the Study of Aging and Human Development, Center for Palliative Care, Duke University School of Medicine, Geriatrics Rehabilitation and Clinical Center, Durham VA Health System, Durham, NC, USA