1. Department of Internal Medicine, Internal Medicine Section of Gerontology and Geriatrics, Wake Forest School of Medicine, Winston-Salem, NC, USA
2. Department of Palliative Medicine, Christian and Alton Memorial Hospitals, BJC Hospice, Washington University School of Medicine, St. Louis, MO, USA
3. Department of Internal Medicine, Division of Hospital Medicine, Emory Palliative Care Center, Emory University School of Medicine, Atlanta, GA, USA
4. Trellis Supportive Care, Winston-Salem, NC, USA
5. Department of Internal Medicine, BJC Home Care, Washington University School of Medicine, St. Louis, MO, USA
6. Section of Palliative Care and Medical Ethics and Section of Treatment, Research and Education in Addiction Medicine, Division of General Internal Medicine, Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA