RT Journal Article SR Electronic T1 Correction 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 1144 OP 1144 DO 10.1136/bjsm.2011.085662 VO 46 IS 16 YR 2012 UL http://bjsm.bmj.com/content/46/16/1144.2.abstract AB