Correction to: Scientific Reports https://doi.org/10.1038/s41598-017-05272-6, published online 19 July 2017

The original version of this Article contained errors in the spelling of the authors Tsogtbaatar Chinzorig, Khishigjav Tsogtbaatar and Rinchen Barsbold, which were incorrectly given as Chinzorig Tsogtbaatar, Tsogtbaatar Khishigjav and Barsbold Rinchen respectively.

These errors have now been corrected in the PDF and HTML versions of the Article.