K.N. KHAYRUTDINOV, M.E. SITDYKOVA, A.Yu. ZUBKOV Kazan State Medical University, 49 Butlerov Str., Kazan, Russian Federation, 420012 Khayrutdinov K.N. — scientific researcher, e-mail: [email protected] Sitdykova M.E. — D. Sc. (medicine), Professor, Head of the Urology Department, e-mail: [email protected] Zubkov A.Yu. — PhD (medicine), Associate Professor of the Urology Department, e-mail: [email protected]  The aim is to […]