1. Division of Orthopaedic Surgery, Department of Surgery, University of Toronto, Toronto, ON Canada
2. Division of Orthopaedic Surgery, The Hospital for Sick Children, Toronto, ON Canada
3. Division of Pediatric Orthopaedics, Department of Surgery, British Columbia Children’s Hospital, Vancouver, BC Canada
4. Division of Radiology, British Columbia Children’s Hospital, Vancouver, BC Canada
5. Department of Orthopaedics, Faculty of Medicine, University of British Columbia, Vancouver, BC Canada
6. Office of Pediatric Surgical Evaluation and Innovation, British Columbia Children’s Hospital, # 208A–4480 Oak Street, V6H 3V4, Vancouver, BC Canada
7. Centre for Hip Health and Mobility, Vancouver, BC Canada