1. Palliative Care and Resilience Research Laboratory, Center for Clinical and Translational Research, Epidemiology, and Analytics in Research Program, Seattle Children's Research Institute, Seattle, Washington, USA.
2. Divisions of Hematology/Oncology, Department of Pediatrics, University of Washington School of Medicine, Seattle, Washington, USA.
3. Cambia Palliative Care Center of Excellence, University of Washington, Seattle, Washington, USA.
4. Divisions of General Pediatrics, Department of Pediatrics, University of Washington School of Medicine, Seattle, Washington, USA.
5. Biostatistics, Epidemiology, and Analytics in Research Program, Seattle Children's Research Institute, Seattle, Washington, USA.
6. Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, University of Washington, Seattle, Washington, USA.
7. Department of Acute, Chronic, and Continuing Care, University of Alabama at Birmingham School of Nursing, Birmingham, Alabama, USA.