Koksheeva, I. M.
Nekhaychenko, D. V.
Article History
Received: 17 May 2019
Revised: 25 October 2019
Accepted: 6 December 2019
First Online: 1 March 2021
COMPLIANCE WITH ETHICAL STANDARDS
: The authors declare no conflict of interest. This article does not contain any research involving humans and animals as research objects.