L.D. Egamberdieva1, Yu.S. Pokrovskaya2, G.S. Aslan3, T.Yu. Pokrovskaya4

1–3 Kazan State Medical University (Kazan, Russia)

4 Kazan National Research Technical University named after A. N. Tupolev (Kazan, Russia)

1 lutsia1@yandex.ru, 2 iu.pk@bk.ru, 3 guzelo-aslan@mail.ru, 4 vip89@mail.ru