Affiliation: | 1. Li Ka Shing Knowledge Institute of St. Michael’s Hospital, Toronto, Canada;2. ICES, Toronto, Canada;3. University of Toronto, Toronto, Canada;4. Department of Family Medicine, McMaster University, Hamilton, Canada;5. Chronic Pain Support Services, Ottawa, Canada;6. The Sunnybrook Research Institute, Toronto, Canada;7. Department of Family and Community Medicine, St. Michael’s Hospital, Toronto, Canada;Massachusetts General Hospital, UNITED STATES |