Kovalev, A. V.
Article History
Received: 13 November 2020
Revised: 14 November 2020
Accepted: 11 December 2020
First Online: 15 January 2021
COMPLIANCE WITH ETHICAL STANDARDS
: All applicable international, national, and institutional guidelines for the care and use of animals were followed. All procedures performed in studies involving animals were in accordance with the ethical standards of the institution or practice at which the studies were conducted.