Fedotov, I.V.
Safronov, N.A.
Ermakova, Yu.G.
Matlashov, M.E.
Sidorov-Biryukov, D.A.
Fedotov, A.B.
Belousov, V.V.
Zheltikov, A.M.
Article History
Received: 27 February 2015
Accepted: 29 September 2015
First Online: 13 November 2015
Competing interests
: The authors declare no competing financial interests.