PT - JOURNAL ARTICLE ED - , TI - Correction AID - 10.1136/hrt.2010.205815corr1 DP - 2011 Mar 15 TA - Heart PG - 516--516 VI - 97 IP - 6 4099 - http://heart.bmj.com/content/97/6/516.1.short 4100 - http://heart.bmj.com/content/97/6/516.1.full SO - Heart2011 Mar 15; 97