Correction to: Scientific Reports https://doi.org/10.1038/s41598-019-39440-7, published online 18 February 2019

The original version of this Article contained an error in the Author information.

“Kai Liu, Xinwei Yang and Jiahe Yang contributed equally.”

now reads:

“Kai Liu, Jicheng Duan and Hu Liu contributed equally.”

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