- Correspondence to: Lis Hentze Poulsen, University of Copenhagen, Institute of Public Health, Department of Social Medicine, Blegdamsvej 3, DK-2200 Copenhagen, Denmark;
- Received July 6, 2001
- Accepted March 13, 2002
- Revised November 9, 2001
- First published September 1, 2002.
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.