- Correspondence to:
Prof. E Petridou
Department of Hygiene and Epidemiology, Athens University, Medical School, 75 M. Asias Str., Goudi, PO Box 11527, Athens, Greece;
- Accepted June 22, 2003
- First published March 19, 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.