RT Journal Article SR Electronic T1 Author's reply JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 340 OP 340 DO 10.1136/hrt.2010.210096 VO 97 IS 4 A1 Vitarelli, Antonio YR 2011 UL http://heart.bmj.com/content/97/4/340.1.abstract AB