PT - JOURNAL ARTICLE ED - , TI - Correction AID - 10.1136/heartjnl-2011-301156.29corr1 DP - 2013 Jul 15 TA - Heart PG - 1063--1063 VI - 99 IP - 14 4099 - http://heart.bmj.com/content/99/14/1063.2.short 4100 - http://heart.bmj.com/content/99/14/1063.2.full SO - Heart2013 Jul 15; 99