1. Uppsala University Hospital (Gillespie), Department of Family Medicine, University of Ottawa, Bruyère Research Institute, Ottawa, Ontario
2. Department of Patient Safety and Clinical Pharmacy, Uppsala, Sweden; the Department of Family Medicine (Dolovich), Department of Family Medicine, University of Ottawa, Bruyère Research Institute, Ottawa, Ontario
3. McMaster University, Hamilton, Ontario; C. T. Lamont Primary Health Care Research Centre (Dahrouge), Department of Family Medicine, University of Ottawa, Bruyère Research Institute, Ottawa, Ontario