Soldatov, A. A.
Article History
Received: 24 February 2021
Revised: 22 March 2021
Accepted: 12 May 2021
First Online: 12 December 2021
COMPLIANCE WITH ETHICAL STANDARDS
: <i>Conflict of interests</i>. The author declares that he has no conflicts of interest.
: <i>Statement on the welfare of animals</i>. This article does not contain any studies involving animals performed by any of the authors.