1. Department of Health Research Methods, Evidence, and Impact, Faculty of Health Sciences, McMaster University, Hamilton, Ontario, Canada
2. Child Health Evaluative Sciences Program, The Hospital for Sick Children, Toronto, Ontario, Canada
3. Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada
4. Applied Health Research Centre of the Li Ka Shing Knowledge Institute of St. Michael's Hospital, University of Toronto, Toronto, Ontario, Canada
5. Clinical Biochemistry Division, Department of Paediatric Laboratory Medicine, The Hospital for Sick Children, Toronto, Ontario, Canada
6. Division of Orthopaedics, The Hospital for Sick Children, Toronto, Ontario, Canada
7. Department of Pediatrics, Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada
8. Pediatric Outcomes Research Team, Division of Pediatric Medicine, Department of Pediatrics, The Hospital for Sick Children, Toronto, Ontario, Canada
9. Institute for Health Policy, Management and Evaluation, University of Toronto, Toronto, Ontario, Canada