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 62 OP 62 DO 10.1136/bjsm.2012.091485corr1 VO 47 IS 1 YR 2013 UL http://bjsm.bmj.com/content/47/1/62.abstract AB