Lynn Kemp1
, Elizabeth Harris1
, Catherine McMahon2
, Stephen Matthey3
, Graham Vimpani4
, Teresa Anderson3
and Virginia Schmied5 
1Centre for Health Equity Training Research and Evaluation, part of the Centre for Primary Health Care and Equity, School of Public Health and Community Medicine, University of NSW, Liverpool Hospital, Locked Bag 7103, Liverpool BC NSW 1871, Australia
2Department of Psychology, Division of Linguistics and Psychology, Macquarie University, North Ryde NSW 2109, Australia
3Sydney South West Area Health Service, Liverpool Hospital, Locked Bag 7103, Liverpool BC NSW 1871, Australia
4School of Medicine and Public Health, Faculty of Health, The University of Newcastle, Locked Bag 1, Hunter Region Mail Centre, Newcastle NSW 2310, Australia
5School of Nursing and Midwifery, University of Western Sydney, Locked Bag 1797 Penrith South DC NSW 1797, Australia