1. Cochrane Hypertension Review Group, Therapeutics Initiative, Department of Anesthesiology, Pharmacology & Therapeutics, Faculty of Medicine University of British Columbia Vancouver British Columbia Canada
2. Nova Scotia Health Halifax Nova Scotia Canada
3. Royal College of Surgeons Ireland
4. Faculty of Pharmaceutical Science University of British Columbia Vancouver British Columbia Canada
5. Michael G. DeGroote Cochrane Canada Centre, Department of Health Research Methods, Evidence, and Impact McMaster University Ontario Canada
6. Woodward Library University of British Columbia Vancouver British Columbia Canada
7. Clinical Epidemiology Program Ottawa Hospital Research Institute, University of Ottawa Ontario Canada