Shvetsov, E. G.
Ponomarev, E. I.
Article History
Received: 1 August 2019
Revised: 23 September 2019
Accepted: 23 September 2019
First Online: 16 March 2020
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 performed by any of the authors.