RT Journal Article SR Electronic T1 CORRECTIONS JF Journal of Epidemiology and Community Health JO J Epidemiol Community Health FD BMJ Publishing Group Ltd SP 531 OP 531 DO 10.1136/jech.2003.019547corr1 VO 59 IS 6 YR 2005 UL http://jech.bmj.com/content/59/6/531.4.abstract AB