Rapoport, I. B.
Tsepkova, N. L.
Article History
Received: 16 March 2018
Revised: 6 October 2018
Accepted: 9 November 2018
First Online: 21 February 2020
COMPLIANCE WITH ETHICAL STANDARDS
: Conflict of interest . The authors declare that they have no conflict of interest.
: Statement on the welfare of animals . This article does not contain any studies involving animals performed by any of the authors.