RT Journal Article SR Electronic T1 Fitness and cardiovascular health, not just a European issue JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 745 OP 746 DO 10.1136/heartjnl-2014-307179 VO 101 IS 10 A1 Siegel, Robert A1 Eschenbacher, William A1 Veldtman, Gruschen YR 2015 UL http://heart.bmj.com/content/101/10/745.abstract AB