Zaitsev, D. A.
Il’ynskaya, N. D.
Koudinov, A. V.
Poletaev, N. K.
Nikitina, E. V.
Egorov, A. Yu.
Kavokin, A. V.
Seisyan, R. P.
Article History
Received: 23 April 2015
Accepted: 26 May 2015
First Online: 19 June 2015
Competing interests
: The authors declare no competing financial interests.