RT Journal Article SR Electronic T1 Correction JF Journal of Medical Genetics JO J Med Genet FD BMJ Publishing Group Ltd SP 861 OP 861 DO 10.1136/jmg.2006.038356corr1 VO 46 IS 12 YR 2009 UL http://jmg.bmj.com/content/46/12/861.3.abstract AB