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vol. 44 no. 2 382-393
PubMed
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History
- Received January 28, 2014
- Accepted April 25, 2014
- Published online July 31, 2014.
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- previous version (June 12, 2014 - 07:02).
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©ERS 2014
Author Information
- 1Faculty of Medicine, Federal University of Rio Grande, Rio Grande, Brazil,
- 2Cochrane Airway Group, Population Health Sciences and Education, St George’s University of London, London, UK
- Linjie Zhang, Faculty of Medicine, Federal University of Rio Grande, Rua Visconde de Paranagua 102, Centro, Rio Grande-RS, Brazil. E-mail: zhanglinjie63{at}yahoo.com.br