Pirkova, A. V.
Ladygina, L. V.
Article History
Received: 11 April 2018
Revised: 14 August 2018
Accepted: 21 December 2018
First Online: 6 May 2019
COMPLIANCE WITH ETHICAL STANDARDS
: Conflict of interests . The authors declare that they have 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.