- Correspondence to Dr Eva Suarthana, IRAS (Institute for Risk Assessment Sciences), Environmental Epidemiology Division, Utrecht University, PO Box 80178, 3508 TD, Utrecht, The Netherlands;
- Accepted June 20, 2009
- First published August 4, 2009.
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.