Karpishchenko, S. A.
Shcherbakova, Ya. L.
Article History
Received: 10 December 2020
Revised: 13 January 2021
Accepted: 19 January 2021
First Online: 30 March 2022
COMPLIANCE WITH ETHICAL STANDARDS
: Conflict of interests . The authors declare that they have no conflicts of interest. Statement on the welfare of humans . All applicable international, national, and/or institutional guidelines were followed.