Gushchin, A. V.
Article History
Received: 23 April 2019
Revised: 15 May 2019
Accepted: 20 May 2019
First Online: 7 July 2020
COMPLIANCE WITH ETHICAL STANDARDS
: <i>Conflict of interest</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.