PT - JOURNAL ARTICLE ED - , TI - CORRECTION AID - 10.1136/bjsm.2003.009969corr1 DP - 2005 Apr 01 TA - British Journal of Sports Medicine PG - 247--247 VI - 39 IP - 4 4099 - http://bjsm.bmj.com/content/39/4/247.1.short 4100 - http://bjsm.bmj.com/content/39/4/247.1.full SO - Br J Sports Med2005 Apr 01; 39