Lugovaya, I. S.
Article History
Received: 29 April 2020
Revised: 4 May 2020
Accepted: 4 May 2020
First Online: 24 January 2021
COMPLIANCE WITH ETHICAL STANDARDS
: <i>Statement on the welfare of animals</i>. All applicable international, national, and/or institutional guidelines for the care and use of animals were followed.
: <i>Conflict of interest.</i> The author declares no conflict of interest.