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 277 OP 277 DO 10.1136/jclinpath-2015-203414corr1 VO 69 IS 3 YR 2016 UL http://jcp.bmj.com/content/69/3/277.1.abstract AB