PT - JOURNAL ARTICLE ED - , TI - Correction AID - 10.1136/hrt.2010.212084corr1 DP - 2011 Jul 01 TA - Heart PG - 1112--1112 VI - 97 IP - 13 4099 - http://heart.bmj.com/content/97/13/1112.2.short 4100 - http://heart.bmj.com/content/97/13/1112.2.full SO - Heart2011 Jul 01; 97