PT - JOURNAL ARTICLE ED - , TI - Correction AID - 10.1136/thx.2007.089193corr2 DP - 2015 Sep 01 TA - Thorax PG - 905--905 VI - 70 IP - 9 4099 - http://thorax.bmj.com/content/70/9/905.short 4100 - http://thorax.bmj.com/content/70/9/905.full SO - Thorax2015 Sep 01; 70