Khomiakov, D. M.
Article History
Received: 10 May 2020
Revised: 15 May 2020
Accepted: 17 May 2020
First Online: 20 February 2021
COMPLIANCE WITH ETHICAL STANDARDS
: Conflict of interests. The authors declare that they have no conflicts of interest.Statement on the welfare of humans or animals. This article does not contain any studies involving animals performed by any of the authors.