N.M. GRUBER, E.K. VALEYEV, R.G. KUZNETSOVA, G.G. YAFAROVA, D.Z. MITYUKOVA, I.E. VALEYEV Republican Clinical Hospital of the Ministry of Health of the Republic of Tatarstan, 138 Orenburgskiy Trakt, Kazan, Russian Federation, 420064,  Gruber N.M. — PhD (Biology), Leading Researcher of the Research Department, tel. (843) 237-35-23, e-mail: rkb_nauka@rambler.ru Valeyev E.K. — D. Med. Sc., Chief Researcher of Scientific-Research Department, tel. +7-987-296-88-52, e-mail: ekv44@mail.ru Кuznetsova R.G. — […]