I.D. SITDIKOVA1, I.K. VAZIYEV2, M.V. MALEYEV3,4, G.Sh. ALIYEVA3, A.N. GAYFUTDINOV3 ¹Kazan (Volga) Federal University, 18 Kremlevskaya St., Kazan, Russian Federation, 420008 ²Center for Hygiene and Epidemiology in Tatarstan Republic, 13а Sechenov Str., 420061 Kazan, Russian Federation 3Kazan State Medical University, 49 Butlerov St., Kazan, Russian Federation, 420012 4Republican Clinical Hospital of the Ministry of Health of the Republic of Tatarstan, 138 Orenburgskiy Trakt, Kazan, […]