Correction to: European Journal of Human Genetics (2014) 22, 3–5; doi:10.1038/ejhg.2013.176; published online 7 August 2013

The authors have added an acknowledgement to their paper since online publication:

This work was supported by grants from the Canadian Institutes of Health Research and the Terry Fox Foundation (TFF-105266), Genome Canada and the Canadian Institutes of Health Research, Finding of Rare Disease Genes in Canada (FORGE), the Maternal Infant and Youth Research Network (MICYRN), the Network of Applied Genetic Medicine of Québec (RMGA) and the Fonds de recherche en santé du Québec (FRSQ).

The corrected article appears in this issue and the HTML and online PDF now carry the additional text.

The authors would like to apologise for this omission.