1. Department of Economics, University of Western Ontario, London, Ontario
2. Division of Paediatric Medicine and Child Health Evaluative Sciences, Hospital for Sick Children, Toronto, Ontario
3. Department of Paediatrics, University of Toronto, Toronto, Ontario
4. Institute of Health Policy, Management and Evaluation, Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario
5. ICES (formerly known as the Institute for Clinical Evaluative Sciences), Toronto, Ontario
6. Edwin S.H. Leong Centre for Healthy Children, University of Toronto, Toronto, Ontario
7. Centre for Addiction and Mental Health, Toronto, Ontario
8. Centre for Health Economics/Hull York Medical School, University of York, York, UK