1 Department of Anesthesiology and Pain Medicine, Harborview Medical Center, University of Washington, Seattle, WA, USA.
2 Cambia Palliative Care Center of Excellence, Harborview Medical Center, University of Washington, Seattle, WA, USA.
3 Centre for Health Policy and Management, Trinity College Dublin, Dublin, Ireland.
4 The Irish Longitudinal Study on Ageing (TILDA), Trinity College Dublin, Dublin, Ireland.
5 Cambia Palliative Care Center of Excellence, Harborview Medical Center, University of Washington, Seattle, WA, USA. jrc@u.washington.edu.
6 Division of Pulmonary, Critical Care, & Sleep Medicine, Department of Medicine, Harborview Medical Center, University of Washington, 325 Ninth Avenue, 359762, Seattle, WA, 98104, USA. jrc@u.washington.edu.