Genet Med advance online publication, 22 July 2017; doi:https://doi.org/10.1038/gim.2017.68

The author list in the published version of this article was incomplete. Ariel F. Martinez, PhD, should have been listed as the ninth author. Dr Martinez’s affiliation is Medical Genetics Branch, National Human Genome Research Institute, National Institutes of Health, Bethesda, Maryland, USA.