Yu.A. Cheremnov1, V.N. Davidenko2, V.V. Alekseev3, L.I. Markvo4, Yu.N. Korolev5, N.V. Alexeeva6, N.V. Shatunova7

1–7 FSBEUI HME “Rostov State Medical University”, Ministry of Health of the Russian Federation (Rostov-on-Don, Russia)

1 ury369@yandex.ru, 2 davidenko-116@yandex.ru, 3 аlekseev_vv@rostgmu.ru, 4 mark-wo@yandex.ru, 5 korol-lev63@mail.ru, 6 аlekseeva_nv@rostgmu.ru, 7 shatunova_nv@rostgmu.ru