1. Department of Emergency Medicine University Hospitals of Nottingham, Queens Medical Centre Nottingham UK
2. Harvard Medical School Massachusetts Boston USA
3. Department of Pulmonary and Critical Care Medicine Cambridge Health Alliance Massachusetts Cambridge USA
4. Department of Pediatrics Oregon Health and Science University Oregon Portland USA
5. Department of Emergency Medicine University of Washington Washington Seattle USA
6. School of Medicine Toronto Metropolitan University Ontario Toronto Canada
7. Faculty of Health Sciences, Department of Medicine, Division of Emergency/Division of Education & Innovation McMaster University Ontario Hamilton Canada
8. McMaster Education Reseach, Innovation, and Theory (MERIT) Program Ontario Hamilton Canada