Article Information
vol. 49 no. 6
PubMed
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History
- Received February 15, 2017
- Accepted March 17, 2017
- Published online June 22, 2017.
Copyright & Usage
Copyright ©ERS 2017
Author Information
- 1Dept of Family Medicine, Maastricht University Medical Centre, CAPHRI Care and Public Health Research Institute, Maastricht, The Netherlands
- 2Dept of Respiratory Medicine, Maastricht University Medical Centre, CAPHRI Care and Public Health Research Institute, Maastricht, The Netherlands
- 3Addiction Research and Clinical Epidemiology Unit, Institute of General Practice, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany
- Eva A.M. van Eerd, P.O. Box 616, 6200 MD Maastricht, The Netherlands. E-mail: eva.vaneerd{at}maastrichtuniversity.nl