Makhrov, A. A.
Artamonova, V. S.
Article History
Received: 5 October 2019
Revised: 10 December 2019
Accepted: 18 December 2019
First Online: 18 August 2020
COMPLIANCE WITH ETHICAL STANDARDS
: <i>Conflict of interests.</i> The authors declare that they have no conflicts of interest.
: <i>Statement on the welfare of humans or animals.</i> This article does not contain any studies involving animals performed by any of the authors.