1. Division of Oral Health and Society, Faculty of Dentistry, McGill University, Montreal, QC, Canada
2. Faculty of Dentistry, University of Montreal, Montreal, QC, Canada
3. Division of Oral and Maxillofacial Surgery, Faculty of Dentistry, McGill University, Montreal, QC, Canada
4. Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, ON, Canada
5. Centre for Health Economics, University of Manchester, Manchester, UK
6. Centre for the Business and Economics of Health, University of Queensland, Brisbane, Australia
7. Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, QC, Canada