RT Journal Article SR Electronic T1 Correction JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 487 OP 487 DO 10.1136/jclinpath-2014-202715corr1 VO 68 IS 6 YR 2015 UL http://jcp.bmj.com/content/68/6/487.abstract AB