PT - JOURNAL ARTICLE ED - , TI - Correction AID - 10.1136/heartjnl-2012-302168corr1 DP - 2012 Oct 01 TA - Heart PG - 1469--1469 VI - 98 IP - 19 4099 - http://heart.bmj.com/content/98/19/1469.short 4100 - http://heart.bmj.com/content/98/19/1469.full SO - Heart2012 Oct 01; 98