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 912 OP 912 DO 10.1136/jclinpath-2014-202735corr1 VO 68 IS 11 YR 2015 UL http://jcp.bmj.com/content/68/11/912.abstract AB