Zelenskaya, L. A.
Article History
Received: 20 March 2018
Revised: 20 May 2018
Accepted: 7 July 2018
First Online: 21 February 2020
COMPLIANCE WITH ETHICAL STANDARDS
: <i>Conflict of interest.</i> The author declares that she has no conflict of interest.
: <i>Statement on the welfare of animals</i>. This article does not contain any studies involving animals performed by the author.