- Correspondence to Jos H Verbeek, Finnish Institute of Occupational Health, Knowledge Transfer Team, PO Box 93, Kuopio 70701, Finland;
- Accepted July 17, 2010
- First published September 24, 2010.
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.