Correction to: Journal of Human Genetics advance online publication, 22 May 2014; doi:10.1038/jhg.2014.39

After online publication of this article, an error was identified in the author affiliations.

This error has been rectified and the corrected article appears in this issue. The html and online pdf versions have also been rectified.

The publishers apologize for any inconvenience caused and are happy to correct this error.