- Correspondence to: Dr A G E M de Boer Coronel Institute for Occupational and Environmental Health, Academic Medical Center, PO Box 22660, 1100 DD Amsterdam, Netherlands;
- Accepted May 10, 2004
- First published October 11, 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.