1 Cambia Palliative Care Center of Excellence, University of Washington, Seattle, WA, USA.
2 Division of Pulmonary, Critical Care, and Sleep Medicine, Harborview Medical Center, University of Washington, Box 359762, Seattle, WA, 98104, USA.
3 Department of Intensive Care Medicine, Ghent University Hospital, Ghent, Belgium.
4 Cambia Palliative Care Center of Excellence, University of Washington, Seattle, WA, USA. jrc@u.washington.edu.
5 Division of Pulmonary, Critical Care, and Sleep Medicine, Harborview Medical Center, University of Washington, Box 359762, Seattle, WA, 98104, USA. jrc@u.washington.edu.