1 Author Affiliations: Division of Pediatric Palliative Care and Division of Pediatric Oncology, Children's Hospital and Medical Center, Omaha, Nebraska (Dr Weaver); College of Nursing, Department of Family, Community and Mental Health, Wayne State University, Detroit, Michigan (Drs Bell and Diver); Department of Pediatrics, George Washington University School of Medicine and Health Sciences (Drs Jacobs, Lyon, and Hinds); Division of Hematology/Oncology, Children's National Health System (Dr Jacobs); and Center for Translational Science/Children's Research Institute/Children's National Health System (Drs Lyon and Hinds), Washington, DC; Department of Family and Community Health, School of Nursing, University of Maryland, Baltimore (Dr Mooney-Doyle); College of Nursing, University of Utah, Salt Lake City(Dr Newman); Division of Pediatric Hematology/Oncology, Medical College of Wisconsin/Children's Hospital of Wisconsin, Milwaukee (Dr Newman); and Office for the Protection of Human Subjects, Children's National Health System, Washington, DC (Dr Slutsman).