Correction to: Spinal Cord advance online publication 12 January 2016; doi:10.1038/sc.2015.242

Since the publication of this article, the authors have noticed that the horizontal axis of Figure 3a was mislabelled. The correct version of the figure is below. The PDF and online versions of the article have been amended.

figure 1

Figure 3

The authors apologize for any inconvenience caused.