N.I. Sinitsyn - Dr.Sc.(Phys.-Math.), Professor, Academy of Natural Sciences, Deputy Director for Scientific Work, Saratov Branch of Institute Radio Engineering and Electronics n.a. V.A. Kotelnikov RAS
V.A. Elkin - Ph.D.(Eng.), Associate Professor, Senior Research Scientist, Saratov Branch of Institute Radio Engineering and Electronics n.a. V.A. Kotelnikov RAS
O.V. Betskiy - Dr.Sc.(Phys.-Math.), Professor, Academy of Natural Sciences, Head Laboratory, Fryazino Branch Institute of Radio Engineering and Electronics n.a. V.A. Kotelnikov RAS R.V. Sinitsyna - Ph.D.(Phys.-Math.), Associate Professor, Saratov State University n.a. N.G. Chernyshevsky

N.I. Sinitsyn - Dr.Sc.(Phys.-Math.), Professor, Academy of Natural Sciences, Deputy Director for Scientific Work, Saratov Branch of Institute Radio Engineering and Electronics n.a. V.A. Kotelnikov RAS. V.A. Elkin - Ph.D.(Eng.), Associate Professor, Senior Research Scientist, Saratov Branch of Institute Radio Engineering and Electronics n.a. V.A. Kotelnikov RAS. O.V. Betskiy - Dr.Sc.(Phys.-Math.), Professor, Academy of Natural Sciences, Head Laboratory, Fryazino Branch Institute of Radio Engineering and Electronics n.a. V.A. Kotelnikov RAS R.V. Sinitsyna - Ph.D.(Phys.-Math.), Associate Professor, Saratov State University n.a. N.G. Chernyshevsky

E.I. Krestova - Junior Research Scientist, Federal State Budgetary Institution «Privolzhsky Federal Re-search Medical Centre» of the Ministry of Health of the Russian Federation. E-mail: ka-tya_rudneva@mail.ru M.Y. Lebedev - Ph.D. (Med), Senior Research Scientist, Federal State Budgetary Institution «Privolzhsky Federal Research Medical Centre» of the Ministry of Health of the Russian Federation. E-mail: miklgito@mail.ru V.I. Ashkinazi - Ph.D. (Med), Senior Research Scientist, Federal State Budgetary Institution «Privolzhsky Federal Research Medical Centre» of the Ministry of Health of the Russian Federation. E-mail: vla-dash@yandex.ru

N.A. Domnina1

1 Orenburg State University (Orenburg, Russia)

1 krasa-9616@mail.ru