Article Information
vol. 31 no. 2 298-303
PubMed
Published By
Print ISSN
Online ISSN
History
- Received June 20, 2007
- Accepted September 26, 2007
- Published online January 31, 2008.
Article Versions
- previous version (October 24, 2007 - 02:16).
- You are viewing the most recent version of this article.
Copyright & Usage
© ERS Journals Ltd
Author Information
- 1Depts of General Practice, 3Epidemiology, 2School for Public Health and Primary Care (CAPHRI), Maastricht University, and 4Dept of Respiratory Medicine, Maastricht University Hospital, Maastricht, The Netherlands.
- D. Kotz, Dept of General Practice, School for Public Health and Primary Care (CAPHRI), Maastricht University, P.O. Box 616, 6200 MD Maastricht, The Netherlands. Fax: 31 433619344. E-mail: d.kotz{at}hag.unimaas.nl