Luker, K.E.
Pata, P.
Shemiakina, I.I.
Pereverzeva, A.
Stacer, A.C.
Shcherbo, D.S.
Pletnev, V.Z.
Skolnaja, M.
Lukyanov, K.A.
Luker, G.D.
Pata, I.
Chudakov, D.M.
Article History
Received: 21 August 2014
Accepted: 8 April 2015
First Online: 2 June 2015
Competing interests
: The authors declare no competing financial interests.