Zhuikova, O. A.
Gradoboeva, T. P.
Batalova, G. A.
Article History
Received: 24 January 2020
Revised: 6 February 2020
Accepted: 15 February 2020
First Online: 7 September 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.