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 1063 OP 1063 DO 10.1136/bjsports-2011-090228corr1 VO 45 IS 13 YR 2011 UL http://bjsm.bmj.com/content/45/13/1063.1.abstract AB