1. Department of Pediatrics, University of Washington, Seattle, Washington
2. Center for Child Health, Behavior, and Development, Seattle Children’s Research Institute, Seattle, Washington
3. Department of Cardiology, Boston Children’s Hospital, Boston, Massachusetts
4. Department of Patient Care Services, the Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania
5. Medical City Children’s Hospital, Dallas, Texas
6. Pediatric Acute Care Associates of North Texas, Dallas, Texas
7. Harborview Injury Prevention and Research Center, Seattle, Washington
8. Clinical Research, Investigation, and Systems Modeling of Acute Illness Center, Department of Critical Care Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
9. Department of Biostatistics, Harvard T. H. Chan School of Public Health, Boston, Massachusetts
10. Department of Pediatrics, Harvard Medical School, Boston, Massachusetts
11. School of Nursing and Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania; and
12. Children’s Hospital of Philadelphia Research Institute, Philadelphia, Pennsylvania