Gunderina, L. I.
Katokhin, A. V.
Article History
Received: 31 July 2019
Revised: 13 February 2020
Accepted: 7 March 2020
First Online: 29 August 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.