Article Information
PubMed
Published By
Print ISSN
Online ISSN
History
- Received July 5, 2013
- Accepted December 19, 2013
- Published online February 20, 2014.
Article Versions
- You are currently viewing a previous version of this article (February 20, 2014 - 07:42).
- View the most recent version of this article
Copyright & Usage
© ERS