1. Division of Critical Care, Department of Pediatrics, University of Utah, Salt Lake City, Utah, USA.
2. Division of Pediatric Palliative Care, Department of Pediatrics, University of Utah, Salt Lake City, Utah, USA.
3. Center for HealthCare Delivery Science, Nemours Children's Hospital, Wilmington, Delaware, USA.
4. College of Nursing, Division of Acute and Chronic Care, University of Utah, Salt Lake City, Utah, USA.
5. Department of Educational Psychology, University of Utah, Salt Lake City, Utah, USA.