- Correspondence to:
Dr K Rumchev
School of Public Health, Curtin University of Technology, GPO Box U1987, Perth, WA 6845, Australia;
- Received July 23, 2003
- Accepted April 8, 2004
- First published August 27, 2004.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.