Batenova Y.V. (Chelyabinsk, Russian Federation), Buslaeva M.Y. (Chelyabinsk, Russian Federation), Tereshchenko M.G. (Chelyabinsk, Russian Federation), Novikova N.B. (Chelyabinsk region, Kopeisk, Russian Federation), Tipushkov S.V. (Kopeisk, Russian Federation), Filippova O.G. (Chelyabinsk, Russian Federation)