Affiliation: | 1. The Alan Edwards Pain Management Unit, McGill University Health Centre, McGill University, Montreal, Quebec, Canada;2. Department of Family Medicine, McGill University, Montreal, Quebec, Canada;3. Department of Anesthesia, McGill University, Montreal, Quebec, Canada;4. Faculty of Dentistry, McGill University, Montreal, Quebec, Canada;5. The Louise and Alan Edwards Centre for Research on Pain, McGill University, Montreal, Quebec, Canada |