Borodin, V. B.
Article History
Received: 5 May 2020
Revised: 9 July 2020
Accepted: 10 July 2020
First Online: 10 July 2021
COMPLIANCE WITH ETHICAL STANDARDS
: Conflict of interests . The author declares thathe has no conflict of interest.
: Statement on the welfare of humans or animals . This article does not contain any studies involving animals performed by author.