About the Author

Professor Les Irwig is Professor of Epidemiology at the University of Sydney, Australia, and an internationally renowned authority on evidence-based medicine. Judy Irwig brings the perspective of the health care consumer. She devotes a large part of her career to writing Dr Lyndal Trevena is Senior Lecturer in the School of Public Health at the University of Sydney, Australia, and a member of the Sydney Health Decision Group as well as being an experienced General Practitioner