1. Division of Plastic Surgery, Children's Hospital of Eastern Ontario Research Institute, Ottawa, Ontario, Canada
2. Division of Orthopaedic Surgery, Children's Hospital of Eastern Ontario Research Institute, Ottawa, Ontario, Canada
3. Department of Surgery, Faculty of Medicine, University of Ottawa, Ottawa, Ontario, Canada
4. Division of Orthopaedic Surgery, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada
5. Clinical Research Unit, Children's Hospital of Eastern Ontario Research Institute, Ottawa, Ontario, Canada