Stoma, G. V.
Romanova, L. V.
Article History
Received: 28 August 2018
Revised: 12 November 2018
Accepted: 28 December 2018
First Online: 9 January 2020
COMPLIANCE WITH ETHICAL STANDARDS
: <i>Conflict of interests.</i> The authors declare that they have no conflicts 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.