1. Division of Pediatric Palliative Care, Children’s Hospital and Medical Center, Omaha, Nebraska;
2. Department of Critical Care Medicine, Children’s National Medical Center, Washington, District of Columbia;
3. Department of Pediatrics, School of Medicine, The George Washington University, Washington, District of Columbia;
4. Department of Medical Ethics and Pediatric Advanced Care Team, Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania;
5. Department of Pediatrics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania; and
6. Department of Nursing Science, Professional Practice and Quality, Children’s National Health System, Washington, District of Columbia