Erin K Kross1,2, Kathryn I Pollak3,4, J Randall Curtis1,2. 1. Division of Pulmonary, Critical Care, and Sleep Medicine, University of Washington, Seattle. 2. Cambia Palliative Care Center of Excellence, University of Washington, Seattle. 3. Cancer Control and Population Sciences, Duke Cancer Institute, Durham, North Carolina. 4. Department of Population Health Sciences, Duke University, Durham, North Carolina.