The Funding statement of this paper has been edited as a corrigendum due to the deficiency in the description of fund support in the original publication. An updated Funding section is shown below:

‘This work was supported by startup funds from the Department of Neurobiology and Anatomy at Drexel University College of Medicine and a research grant from the NIH (NS096098) (to K.T.).’

The authors would like to apologize for the incorrect information about fund support in the original publication.