K. V Bubley
Vernadsky Crimean Federal University
Russian Federation

Konstantin V. Bubley  — Assistant Professor of the Department of Internal Medicine  No. 2

Simferopol

V. V. Beloglazov
Vernadsky Crimean Federal University
Russian Federation

Vladimir A. Beloglazov — Dr. Sci. (Med.), professor, Head of the Department of Internal Medicine No. 2

Simferopol

I. A. Yatskov
Vernadsky Crimean Federal University
Russian Federation

Igor A. Yatskov — Cand. Sci. (Med.), associate professor, Department of Internal Medicine No. 2

Simferopol

E. S. Ageeva
Vernadsky Crimean Federal University
Russian Federation

Elizabeth S. Ageeva  — Dr. Sci. (Med.), Head of the Department of Biology, Associate Professor of the Department of Biology

Simferopol

E. V. Keledzhieva
The authors state that there is no conflict of interest
Russian Federation

Emilia V. Keledzhieva  — Cand. Sci. (Med.), Associate Professor of the Department of Medical Biology, Head of the Department of Medical Biology

Simferopol