PT - JOURNAL ARTICLE ED - , TI - CORRECTION AID - 10.1136/bjsm.2004.000044corr1 DP - 2004 Dec 01 TA - British Journal of Sports Medicine PG - 793--793 VI - 38 IP - 6 4099 - http://bjsm.bmj.com/content/38/6/793.2.short 4100 - http://bjsm.bmj.com/content/38/6/793.2.full SO - Br J Sports Med2004 Dec 01; 38