- Correspondence to Kristin Veronica Carson, Clinical Practice Unit, The Basil Hetzel Research Institute for Translational Health Research, The Queen Elizabeth Hospital, DX 465154, 28 Woodville Road, Woodville South, SA 5011, Australia; ▸ An additional data is published online only. To view this file please visit the journal online (http://dx.doi.org/10.1136/thoraxjnl-2012-202484).
- Accepted 16 August 2012
- Published in print 1 September 2012.
- Published online 19 September 2012.
This web only file has been produced by the BMJ Publishing Group from an electronic file supplied by the author(s) and has not been edited for content.
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