PT - JOURNAL ARTICLE ED - , TI - Correction AID - 10.1136/jech.2006.55921corr1 DP - 2007 Nov 01 TA - Journal of Epidemiology and Community Health PG - 1015--1015 VI - 61 IP - 11 4099 - http://jech.bmj.com/content/61/11/1015.2.short 4100 - http://jech.bmj.com/content/61/11/1015.2.full SO - J Epidemiol Community Health2007 Nov 01; 61