Nature Communications 8:941 https://doi.org/10.1038/s41467-017-00924-7; Published online: 16 October 2017

In the original version of this Article, financial support was not fully acknowledged. The PDF and HTML versions of the Article have now been corrected to include support from the CRI Light Microscopy and Image Analysis Core.

Microscopic analysis for this study was conducted at the CRI Light Microscopy and Image Analysis Core, which is supported by CRI and the Intellectual and Developmental Disabilities Research Center Award (U54HD090257) through the National Institutes of Health NICHD.