Correction to: European Journal of Human Genetics advance online publication, 26 November 2014; doi:10.1038/ejhg.2014.253
Since the publication of this article, the authors have noted that the coordinates and size of the microdeletion in patient 13 were not mentioned correctly throughout the article. This issue has now been rectified and the corrected article appears in this issue. The HTML and online PDF versions have also been rectified.
The authors would like to apologise for their oversight.