Scientific Reports 7:2180; doi:10.1038/s41598-017-02310-1; Article published online 19 May 2017

This Article contains typographical errors in the Acknowledgements section.

“This research was supported by the Russian Scientific Foundation under contract № 14-50-00124”.

should read:

“This research was supported by the Russian Scienсe Foundation (Project Number 14- 50-00124)”.