1. Department of Pediatrics; University of Ottawa; Ottawa ON Canada
2. Department of Health Research Methods, Evidence, and Impact; McMaster University; Hamilton ON Canada
3. Department of Pediatrics; Dalhousie University; Halifax NS Canada
4. Department of Pediatrics; University of Calgary; Calgary AB Canada
5. Département de Pédiatrie; Université de Montréal; Montréal QC Canada
6. Department of Medical Imaging; University of Ottawa; Ottawa ON Canada
7. Department of Radiology; University of British Columbia; Vancouver BC Canada
8. Department of Radiology & Diagnostic Imaging; University of Alberta; Edmonton AB Canada
9. Department of Pediatrics; University of Alberta; Edmonton AB Canada
10. Department of Pediatrics; University of Western Ontario; London ON Canada
11. Department of Pediatrics; McGill University; Montreal QC Canada
12. Department of Pediatrics; University of Manitoba; Winnipeg MB Canada
13. Department of Pediatics; University of Toronto; Toronto ON Canada
14. Department of Pediatrics; University of British Columbia; Vancouver BC Canada
15. Department of Pediatrics; McMaster University; Hamilton ON Canada
16. Department of Health Sciences; Brock University; St, Catharines ON Canada
17. Clinical Epidemiology Program; Ottawa Hospital Research Institute, University of Ottawa; Ottawa ON Canada
18. Department of Radiology and Diagnostic Imaging, and Department of Medicine; University of Alberta; Edmonton AB Canada