Vlakh, E. G.
Grachova, E. V.
Zhukovsky, D. D.
Hubina, A. V.
Mikhailova, A. S.
Shakirova, J. R.
Sharoyko, V. V.
Tunik, S. P.
Tennikova, T. B.
Article History
Received: 8 November 2016
Accepted: 4 January 2017
First Online: 3 February 2017
Competing interests
: The authors declare no competing financial interests.