Correction to: Spinal Cord (2016) 54, 1053–1057; doi:10.1038/sc.2016.7; published online 16 February 2016

Since the publication of this article, the authors have noticed that the affiliation for author M Hajiaghababaei was incorrect. The correct affiliation for this author is:

3Brain and Spinal Cord Injury Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran

The authors apologise for any inconvenience caused.