Vasil’eva, E. D.
Vasil’ev, V. P.
Article History
Received: 25 December 2019
Revised: 30 January 2020
Accepted: 30 January 2020
First Online: 6 January 2021
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 animals</i>. All applicable international, national, and/or institutional guidelines for the care and use of animals were followed.