Graf, A. V.
Khirazova, E. E.
Maslova, M. V.
Sokolova, N. A.
Article History
Received: 18 March 2020
Revised: 12 April 2020
Accepted: 17 May 2020
First Online: 15 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.