1. Division of Pediatric Emergency Medicine and
2. Departments of Emergency Medicine and Pediatrics, School of Medicine, University of California Davis and University of California Davis Health, Sacramento, California;
3. Research Institute, The Hospital for Sick Children and University of Toronto, Toronto, Ontario, Canada;
4. Division of Pediatric Emergency Medicine, Faculty of Medicine, University of Ottawa and Children’s Hospital of Eastern Ontario, Ottawa, Ontario, Canada;
5. Emergency Department, Murdoch Children’s Research Institute, The Royal Children’s Hospital and The University of Melbourne, Melbourne, Australia;
6. Emergency Department, Starship Children’s Hospital and the Departments of Surgery and Paediatrics: Child and Youth Health, School of Medicine, The University of Auckland, Auckland, New Zealand;
7. Sections of Pediatric Emergency Medicine and Gastroenterology, Department of Pediatrics, Alberta Children’s Hospital and
8. Department of Pediatric Emergency Medicine, Hasbro Children’s Hospital and Departments of Emergency Medicine and Pediatrics, Warren Alpert Medical School and Department of Health Services, Policy, and Practice, School of Public Health, Brown University, Providence, Rhode Island;
9. Department of Pediatrics, Hospital de Santa Maria and Laboratory of Clinical Pharmacology and Therapeutics, Faculty of Medicine, Instituto de Medicina Molecular, University of Lisbon, Lisbon, Portugal;
10. Department of Pediatrics, Feinberg School of Medicine, Northwestern University and Division of Emergency Medicine, Ann and Robert H. Lurie Children’s Hospital of Chicago, Chicago, Illinois;
11. Department of Pediatric Emergency Medicine, Children’s Hospital of Minnesota, Minneapolis, Minnesota;
12. Paediatric Emergency Medicine Leicester Academic Group, Children’s Emergency Department, Leicester Royal Infirmary, Leicester, United Kingdom;
13. Social Science Applied to Healthcare Improvement Research Group, Department of Health Sciences, University of Leicester, Leicester, United Kingdom;
14. Paediatric Emergency Department, Bristol Royal Hospital for Children, Bristol, United Kingdom;
15. Faculty of Health and Applied Life Sciences, University of the West of England, Bristol, United Kingdom;
16. Departments of Pediatrics, Emergency Medicine, and Physiology and Pharmacology, Alberta Children’s Hospital Research Institute, Cumming School of Medicine, Calgary, Alberta, Canada;
17. Division of Emergency Medicine, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio;
18. Division of Pediatric Emergency Medicine, University Hospitals Rainbow Babies and Children’s Hospital and Case Western Reserve University, Cleveland, Ohio; and
19. Pediatric Emergency Department, Cruces University Hospital, Barakaldo, Bizkaia, Spain