Gavryushina, I. A.
Georgieva, M. L.
Kuvarina, A. E.
Sadykova, V. S.
Article History
Received: 31 March 2021
Revised: 15 April 2021
Accepted: 23 April 2021
First Online: 24 September 2021
COMPLIANCE WITH ETHICAL STANDARDS
: The authors declare that they have no conflict of interest. This article does not contain any studies involving animals or human participants performed by any of the authors.