RT Journal Article SR Electronic T1 Correction JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 319 OP 319 DO 10.1136/thoraxjnl-2014-205958corr1 VO 70 IS 4 YR 2015 UL http://thorax.bmj.com/content/70/4/319.abstract AB