- Correspondence to: Dr M Lindström, Department of Community Medicine, University Hospital MAS, Lund University, S 205 02 Malmö, Sweden;
- Accepted April 30, 2002
- First published January 1, 2003.
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.