RT Journal Article SR Electronic T1 Corrections JF British Journal of Sports Medicine JO Br J Sports Med FD BMJ Publishing Group Ltd and British Association of Sport and Exercise Medicine SP 298 OP 298 DO 10.1136/bjsports-2011-090606.59.corr1 VO 46 IS 4 YR 2012 UL http://bjsm.bmj.com/content/46/4/298.3.abstract AB