The PDF file you selected should load here if your Web browser has a PDF reader plug-in installed (for example, a recent version of Adobe Acrobat Reader).

If you would like more information about how to print, save, and work with PDFs, Highwire Press provides a helpful Frequently Asked Questions about PDFs.

Alternatively, you can download the PDF file directly to your computer, from where it can be opened using a PDF reader. To download the PDF, click the Download link above.

Fullscreen Fullscreen Off

About The Authors

Hilary J. Bambrick
School of Medicine, University of Western Sydney
Australia

Senior Lecturer, School of Medicine, University of Western Sydney

Visiting Fellow, National Centre for Epidemiology and Population Health, The Australian National University

Rosalie E. Woodruff
National Centre for Epidemiology and Population Health, The Australian National University
Australia

Visiting Fellow, National Centre for Epidemiology and Population Health, The Australian National University

Ivan C. Hanigan
National Centre for Epidemiology and Population Health, The Australian National University
Australia

Data Management Officer, National Centre for Epidemiology and Population Health, The Australian National University