1. National Health & Medical Research Council and Consumers_ Health Forum of Australia Statement on consumer and community participation in health and medical research http://www.nhmrc.gov.au/
2. National Institute for Health Research Patients and public http://www.crncc.nihr.ac.uk/ppi
3. Canadian Institutes of Health Research Citizen engagement framework http://www.cihr-irsc.gc.ca/e/41753.html
4. National Institute for Health Research Patient and public involvement: information for researchers http://www.crncc.nihr.ac.uk/about_us/ccrn/cdtv/PPI/PPI_Researchers