PT - JOURNAL ARTICLE ED - BMJ Publishing Group Ltd and British Thoracic Society TI - Correction AID - 10.1136/thx.2010.147058corr1 DP - 2013 Aug 01 TA - Thorax PG - 781--781 VI - 68 IP - 8 4099 - http://thorax.bmj.com/content/68/8/781.short 4100 - http://thorax.bmj.com/content/68/8/781.full SO - Thorax2013 Aug 01; 68