1. Division of Emergency and Transport Medicine Children's Hospital Los Angeles and Keck School of Medicine of the University of Southern California Los Angeles California USA
2. Children's Hospital Association Lenexa Kansas USA
3. Division of Pediatric Surgery, Department of Surgery Children's Hospital Los Angeles and Keck School of Medicine of the University of Southern California Los Angeles California USA
4. Departments of Pediatrics, Emergency Medicine, & Radiology University of Pittsburgh School of Medicine Pittsburgh Pennsylvania USA
5. Division of Emergency Medicine, Department of Pediatrics Ann & Robert H. Lurie Children's Hospital of Chicago, Northwestern University Feinberg School of Medicine Chicago Illinois USA
6. Divisions of Hospital Medicine and Infectious Diseases, Department of Pediatrics Cincinnati Children's Hospital Medical Center Cincinnati Ohio USA
7. Sections of Pediatric Emergency Medicine and Gastroenterology, Departments of Pediatrics and Emergency Medicine, Alberta Children's Hospital, Alberta Children's Hospital Research Institute Cumming School of Medicine, University of Calgary Calgary Alberta Canada
8. Division of Pediatric Medicine and Child Health Evaluative Sciences, The Hospital for Sick Children and Department of Pediatrics and Institute of Health Policy, Management & Evaluation The University of Toronto and ICES Toronto Ontario Canada
9. Center for Clinical Excellence Nationwide Children's Hospital Columbus Ohio USA
10. Division of Emergency Medicine Boston Children's Hospital and Harvard Medical School Boston Massachusetts USA