Ivanter, E. V.
Article History
Received: 19 July 2018
Revised: 14 November 2018
Accepted: 24 January 2019
First Online: 13 January 2021
COMPLIANCE WITH ETHICAL STANDARDS
: <i>Conflict of interests.</i> The authors declare that they have no conflict of interest.
: <i>Statement of the welfare of animals.</i> This article does not contain any studies involving animals performed by any of the authors.