PT - JOURNAL ARTICLE ED - , TI - Correction AID - 10.1136/jech-2011-200856corr1 DP - 2015 Aug 01 TA - Journal of Epidemiology and Community Health PG - 815--815 VI - 69 IP - 8 4099 - http://jech.bmj.com/content/69/8/815.short 4100 - http://jech.bmj.com/content/69/8/815.full SO - J Epidemiol Community Health2015 Aug 01; 69