Kotlyar, A. N.
Article History
Received: 26 November 2018
Revised: 15 January 2019
Accepted: 22 January 2019
First Online: 1 November 2019
COMPLIANCE WITH ETHICAL STANDARDS
: <i>Conflict of interests</i>. The authors declare that they have no conflict of interests.
: <i>Statement on the welfare of animals</i>. This article does not contain any studies involving animals performed by any of the authors.