M. V. Shayhelislamova - Dr.Sc. (Biol.), Professor, Department of Anatomy, Physiology and Human Health, Kazan Federal University (Volga region). E-mail: bettydn@mail.ru N. B. Dikopolskaya - Ph.D. (Biol.), Associate Professor, Department of Anatomy, Physiology and Human Health, Kazan Federal University (Volga region). E-mail: bettydn@mail.ru G. G. Kayumova - Post-graduate Student, Department of anatomy, physiology and human health, Kazan Federal University (Volga region). E-mail: guzelka1003@yandex.ru

A.А. Bilyalova1, O.S. Kozlova2, D.D. Filimoshina3, А.I. Bilyalov4, Т.А. Voronina5, G.R. Gazizova6, N.S. Filatov7, А.А. Titova8, K.N. Sultanova9, Е.I. Shagimardanova10, M.V. Vorontsova11, О.А. Gusev12, А.P. Kiyasov13

1–10, 12, 13 Kazan (Volga region) federal university (Kazan, Russia)

4 The Loginov Moscow Clinical Scientific Center Under the Health Department of Moscow (Moscow, Russia)

11 Lomonosov Moscow State University (Moscow, Russia)

11, 12 Endocrinology Research Centre (Moscow, Russia)

12 Graduate School of Medicine, Juntendo University (Tokyo, Japan)

1 alinayakupova96@yandex.ru, 2 olga-sphinx@yandex.ru, 4 BilyalovAir@yandex.ru, 5 vorotaisiya@gmail.com, 6 grgazizova@gmail.com, 7 ns.filatov@yandex.ru, 8 anjerika@list.ru, 9 kasana555_07@mail.ru, 10 rjuka@mail.ru, 11 maria.v.vorontsova@mail.ru, 12 gaijin.ru@gmail.com, 13 kiassov@mail.ru