Kurshakova, M. M.
Kopytova, D. V.
Georgieva, S. G.
Article History
Received: 23 September 2020
Revised: 29 September 2020
Accepted: 30 September 2020
First Online: 10 March 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.