1. Division of Plastic, Reconstructive, and Aesthetic Surgery, Department of Surgery, University of Toronto, Toronto, Ontario, Canada
2. Toronto Health Economics and Technology Assessment Collaborative, University Health Network, Toronto, Ontario, Canada
3. Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, Ontario, Canada
4. College of Health Sciences, Addis Ababa University, Addis Ababa, Ethiopia
5. Division of Orthopedic Surgery, Department of Surgery, Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada
6. ICES (formerly the Institute for Clinical Evaluative Sciences), Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada
7. Child Health Evaluative Services, Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada
8. Division of Biostatistics, Child Health Evaluative Services, Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada
9. Smile Train Research and Innovation Advisory Council Member and College of Health Sciences, Addis Ababa University Surgical Department, Yekatit 12 Hospital Medical College, Addis Ababa, Ethiopia
10. Public Health Ontario, Windsor, Ontario, Canada