Serdyuk, O. P.
Smolygina, L. D.
Ashikhmin, A. A.
Article History
Received: 16 December 2019
Revised: 16 December 2019
Accepted: 16 December 2019
First Online: 1 June 2020
COMPLIANCE WITH ETHICAL STANDARDS
: The authors declare that they have no conflict of interest. This article does not contain any studies involving animals or human participants performed by any of the authors.