1. Division of Pediatric Medicine, Department of Pediatrics and Child Health Evaluative Sciences, The Hospital for Sick Children, Toronto, Ontario, Canada
2. Department of Pediatrics, Institute of Health Policy, Management & Evaluation, The University of Toronto, Toronto, Ontario, Canada
3. ICES, Toronto, Ontario, Canada
4. Children’s Hospital Association, Lenexa, Kansas
5. Section of Pediatric Emergency Medicine, Department of Pediatrics, Alberta Children’s Hospital, Alberta Children’s Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
6. Section of Gastroenterology, Department of Pediatrics, Alberta Children’s Hospital, Alberta Children’s Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
7. Section of Pediatric Emergency Medicine, Departments of Pediatrics and Emergency Medicine, Yale School of Medicine, New Haven, Connecticut
8. Division of Emergency Medicine, Department of Emergency Medicine, Emory University School of Medicine, Atlanta, Georgia
9. Department of Pediatrics, Emory University School of Medicine, Atlanta, Georgia
10. Children’s Healthcare of Atlanta, Atlanta, Georgia
11. Division of Pediatric Emergency Medicine, Children’s Hospital of Pittsburgh, Pittsburgh, Pennsylvania
12. Department of Emergency Medicine, Massachusetts General Hospital, Boston, Massachusetts
13. Division of Emergency Medicine, Department of Pediatrics, Ann and Robert H. Lurie Children’s Hospital of Chicago, Northwestern University Feinberg School of Medicine, Chicago, Illinois
14. Children’s Health System of Texas, Dallas
15. Division of Hospital Medicine, Department of Pediatrics, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio
16. Division of Infectious Diseases, Department of Pediatrics, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio
17. Yale School of Medicine, New Haven, Connecticut
18. Division of Emergency Medicine, Boston Children’s Hospital, Harvard Medical School, Boston, Massachusetts, Boston, Massachusetts