1. Cochrane Hypertension Review Group, University of British Columbia, Vancouver, Canada
2. Therapeutics Initiative, Department of Anesthesiology, Pharmacology & Therapeutics, Faculty of Medicine, University of British Columbia, Vancouver, Canada
3. Department of Pharmaceutical Sciences, College of Pharmacy, Larkin University, Miami, Florida, USA
4. Department of Medicine, Faculty of Medicine, University of British Columbia, Vancouver, Canada