- Correspondence to: Dr A J Fradkin Monash University, Epidemiology and Preventive Medicine, Alfred Hospital, Melbourne 3004, Australia;
- Accepted November 25, 2003
- First published November 23, 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.