1. Higgins, J. & Green, S. (2011).Cochrane handbook for systematic reviews of interventions version 5.1. 0 [updated March 2011]. Oxford, England: the Cochrane Collaboration.
2. National Heart Foundation of Australia and the Cardiac Society of Australia and New Zealand. (2011).Guidelines for the prevention, detection and management of chronic heart failure in Australia (chronic heart failure guidelines expert writing panel). Canberra, ACT: Author.