1. School of Nursing, University of Pittsburgh, Pittsburgh, PA, USA
2. Palliative Research Center, University of Pittsburgh, Pittsburgh, PA, USA
3. Division of Hematology & Oncology, Department of Medicine, University of Pittsburgh, Pittsburgh PA, USA
4. UPMC Hillman Cancer Center, Pittsburgh, PA, USA
5. Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
6. Section of Palliative Care and Ethics, Division of General Internal Medicine, University of Pittsburgh, Pittsburgh, PA, USA