I.D. SITDIKOVA1, M.K. IVANOVA2, T.V. IVANOVA3, M.V. MALEEV4 1Kazan (Volga region) Federal University, 18 Kremlevskaya St., Kazan, Russian Federation, 420008 2Izhevsk State Medical Academy, 281 Communarov St., Izhevsk, Russian Federation, 426034 3Kazan State Medical University, 49 Butlerov St., Kazan, Russian Federation, 420012 4Republican Clinical Hospital of the MH of RT, 138 Orenburgskiy Trakt, Kazan, Russian […]