The Editors-in-Chief and Publisher have retracted this article because its validity cannot be verified. An investigation by the Publisher found evidence suggestive of attempts to subvert the peer review and publication system. The Editors-in-Chief and Publisher were not able to obtain a current email address for Nikolay Dorogrov, Ivan Kapitonov and Nazygul Batyrova.

The online version of this article contains the full text of the retracted article as Supplementary Information.