1. Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, ON L8S 4L8, Canada
2. Applied Research Division, Centre for Surveillance and Applied Research, Public Health Agency of Canada, Ottawa, ON K0A 0K9, Canada
3. Office of the Chief Dental Officer, Public Health Agency of Canada, Ottawa, ON K0A 0K9, Canada
4. Health Sciences, Department of Medicine, McMaster University, Hamilton, ON L8S 4L8, Canada