Savinykh, N. P.
Shabalkina, S. V.
Article History
Received: 25 December 2019
Revised: 8 January 2020
Accepted: 12 January 2020
First Online: 30 June 2020
COMPLIANCE WITH ETHICAL STANDARDS
: Conflict of interests. The authors declare that they have no conflicts of interest.
: Statement on the welfare of animals . This article does not contain any studies involving animals performed by any of the authors.