PT - JOURNAL ARTICLE ED - BMJ Publishing Group Ltd and British Association of Sport and Exercise Medicine TI - Correction DP - 2004 Feb 01 TA - British Journal of Sports Medicine PG - 104--104 VI - 38 IP - 1 4099 - http://bjsm.bmj.com/content/38/1/104.1.short 4100 - http://bjsm.bmj.com/content/38/1/104.1.full SO - Br J Sports Med2004 Feb 01; 38