This article was republished on May 27, 2015 to correct words that were inadvertently merged during the typesetting process. The publisher apologizes for the errors. Also, grammatical errors, hyperlinks and the author contributions were corrected. Please download this article again to view the correct version. The originally published, uncorrected article and the republished, corrected article are provided here for reference.
Authors: Alexander P Sukhorukov; Evgeny V Mavrodiev; Madeleen Struwig; Maya V Nilova; Khalima Kh Dzhalilova; Sergey A Balandin; Andrey Erst; Anastasiya A Krinitsyna Journal: PLoS One Date: 2015-02-24 Impact factor: 3.240