Shvachko, N. A.
Semilet, T. V.
Tikhonova, N. G.
Article History
Received: 8 May 2020
Revised: 8 June 2020
Accepted: 17 June 2020
First Online: 23 November 2020
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.