Domaratskaya, E. I.
Payushina, O. V.
Article History
Received: 16 May 2017
First Online: 10 June 2019
COMPLIANCE WITH ETHICAL STANDARDS
: <i>Conflict of interests</i>. The authors declare that they have no conflict of interest.
: <i>Statement on the welfare of animals</i>. This article does not contain any studies involving animals or human participants performed by any of the authors.