M. V. Nikolskaya
Medical Institute of Penza State University
Russian Federation

Marina V. Nikolskaya - candidate of medical sciences.

440026, Penza, Lermontov str., 3

V. L. Melnikov
Medical Institute of Penza State University
Russian Federation

Viktor L. Melnikov - doctor of medical sciences.

440026, Penza, Lermontov str., 3

D. Yu. Kurmayeva
Medical Institute of Penza State University; The Penza regional Clinical Center of Specialized Types of Medical Care
Russian Federation

Jamila Yu. Kurmayeva - candidate of medical sciences.

440026, Penza, Lermontov str., 3

E. A. Vorobyeva
The Penza regional Clinical Center of Specialized Types of Medical Care
Russian Federation

Elena A. Vorobyeva

440052, Penza, Krasnaya str., 23

A. V. Afonin
Medical Institute of Penza State University
Russian Federation

Alexander V. Afonin

440026, Penza, Lermontov str., 3

L. N. Aftaeva
Medical Institute of Penza State University
Russian Federation

Larisa N. Aftaeva - candidate of medical sciences.

440026, Penza, Lermontov str., 3