PT - JOURNAL ARTICLE ED - , TI - Correction AID - 10.1136/bjsm.2006.030700 DP - 2010 Oct 01 TA - British Journal of Sports Medicine PG - e4--e4 VI - 44 IP - 13 4099 - http://bjsm.bmj.com/content/44/13/e4.short 4100 - http://bjsm.bmj.com/content/44/13/e4.full SO - Br J Sports Med2010 Oct 01; 44