RT Journal Article SR Electronic T1 Correction JF Journal of Epidemiology and Community Health JO J Epidemiol Community Health FD BMJ Publishing Group Ltd SP 1105 OP 1105 DO 10.1136/jech.2008.085977corr1 VO 64 IS 12 YR 2010 UL http://jech.bmj.com/content/64/12/1105.2.abstract AB