1. aDivision of Pediatric Medicine, Department of Pediatrics, Children's Hospital of Eastern Ontario, Ottawa, Canada
2. bFaculty of Medicine, University of Ottawa, Ottawa, Canada
3. cChildren’s Hospital of Eastern Ontario Research Institute, Ottawa, Canada
4. dSection of Pediatric Infectious Diseases, Department of Pediatrics, Alberta Children’s Hospital, Calgary, Canada
5. eAlberta Children’s Hospital Research Institute, Calgary, Canada
6. fThe Hospital for Sick Children, Toronto, Ontario, Canada
7. gDepartment of Pediatrics
8. hChild Health Evaluative Sciences, SickKids Research Institute, Toronto, Ontario, Canada
9. iInstitute of Health Policy, Management and Evaluation, The University of Toronto, Toronto, Ontario, Canada; and