Article Information
vol. 36 no. 1 41-47
PubMed
Published By
Print ISSN
Online ISSN
History
- Received July 23, 2009
- Accepted December 30, 2009
- Published online June 30, 2010.
Article Versions
- previous version (January 14, 2010 - 05:34).
- You are viewing the most recent version of this article.
Copyright & Usage
©ERS 2010
Author Information
- *Dept of Public Health, Catholic University of Louvain, Louvain, Belgium
- #Dept of Pediatrics, University Dept of Medical and Surgical Specialties and Public Health, Perugia, Italy
- A. Bernard Faculty of Medicine Catholic University of Louvain Avenue E. Mounier 53.02 B-1200 Brussels Belgium E-mail: Alfred.bernard{at}uclouvain.be