I.O. Mihalchich - Assistant, Department of Medical and Biological Physics, Rostov State Medical University of Ministry of Health of the Russian Federation, Rostov-on-Don. E-mail: irisa-irisa@bk.ru V.P. Omelchenko - Dr.Sc. (Biol.), Professor, Head of the Department of Medical and Biological Physics, Rostov State Medical University of Ministry of Health of the Russian Federation, Rostov-on-Don. E-mail: vitaly.omelchenko@mail.ru