Savelieva, A. V.
Article History
Received: 20 March 2018
Revised: 15 October 2018
Accepted: 18 October 2018
First Online: 23 May 2019
COMPLIANCE WITH ETHICAL STANDARDS
: Conflict of interests . The author declares that she has no conflict of interest. Statement on the welfare of animals . All applicable international, national, and/or institutional guidelines for the care and use of animals were followed.