М. S. Selikhova
Volgograd State Medical University of Minzdrav of Russia
Russian Federation

Marina S. Selikhova, doctor of medical sciences

400066, Volgograd, Pavshikh Bortsov sq., 1

G. V. Ershov
Medical Multidisciplinary Center “SOVA”
Russian Federation

Georgiy V. Ershov, candidate of medical sciences

400005, Volgograd, Lenina ave., 59b

А. G. Ershov
Volgograd State Medical University of Minzdrav of Russia
Russian Federation

Anton G. Ershov

400066, Volgograd, Pavshikh Bortsov sq., 1