- Correspondence to: Dr I A Steenstra Coronel Institute for Occupational and Environmental Health, Academic Medical Center/University of Amsterdam, PO Box 23900, 1200 DE Amsterdam, Netherlands;
- Accepted May 18, 2005
- First published November 18, 2005.
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.