Correction to: Scientific Reports https://doi.org/10.1038/s41598-018-24157-w, published online 10 April 2018

In the original version of this Article, Jian Xie was incorrectly affiliated with ‘Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100050, China’. The correct affiliation is listed below.

Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100050 China

This error has now been corrected in the PDF and HTML versions of the Article.