- Dr M L Duiverman, Department of Pulmonary Diseases, University Medical Center Groningen, University of Groningen, Post Box 30001, 9700 RB Groningen, The Netherlands;
- Received March 18, 2008
- Accepted July 16, 2008
- First published August 18, 2008.
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.