1. Department of Medicine, Division of Emergency Medicine, McMaster University, Hamilton, ON, Canada.
2. Department of Family Medicine, University of Toronto, Toronto, ON, Canada.
3. Department of Family Medicine, McMaster University, Hamilton, ON, Canada.
4. Section of Pediatric Intensive Care, Child Health Department, The Royal Hospital, Muscat, Oman.
5. Departments of Pediatrics and Critical Care Medicine, McMaster University, Hamilton, ON, Canada.
6. McMaster Children’s Hospital, Hamilton, ON, Canada.
7. Department of Pediatrics, Rustaq Hospital, Rustaq, Oman.