1. Department of Psychiatry, The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
2. Division of Health Policy and Management, The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
3. Center for Nursing Excellence in Palliative Care, Nell Hodgson Woodruff School of Nursing, Emory University, Atlanta, GA, USA
4. Division of Hematology-Oncology, Department of Medicine, The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
5. Palliative Care Program, Division of Geriatrics, Department of Medicine, The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
6. Department of Medicine, The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
7. School of Nursing, The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA