Feoktistov, A. V.
Georgieva, S. G.
Soshnikova, N. V.
Article History
Received: 22 June 2021
Revised: 7 September 2021
Accepted: 7 September 2021
First Online: 14 April 2022
COMPLIANCE WITH ETHICAL STANDARDS
: <i>Conflict of interests</i>. The authors declare they have no conflict of interest.
: In this work, humans and animals were not used as objects of research.