1. Department of Epidemiology, Biostatistics, and Occupational HealthMcGill University Montreal Canada
2. Centre for Clinical EpidemiologyLady Davis Research Institute of the Jewish General Hospital Montreal Canada
3. Centre for Health Outcomes ResearchResearch Institute of the McGill University Health Centre Montreal Canada
4. Department of Population MedicineHarvard Medical School and Harvard Pilgrim Health Care Institute Boston Massachusetts USA
5. Centre for Research in Evidence‐based practiceBond University Gold Coast Australia
6. Melbourne School of Population and Global HealthUniversity of Melbourne Melbourne Australia
7. Institute for Clinical and Evaluative Sciences Toronto Canada
8. Division of Pharmacoepidemiology & Clinical Pharmacology, Utrecht Institute for Pharmaceutical SciencesUtrecht University Utrecht The Netherlands
9. Julius Center for Health Sciences and Primary CareUniversity Medical Center Utrecht Utrecht The Netherlands