RT Journal Article SR Electronic T1 The authors’ reply: JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 761 OP 761 VO 95 IS 9 A1 Riezebos, R K A1 Laarman, G J YR 2009 UL http://heart.bmj.com/content/95/9/761.2.abstract AB