Alekseeva, A. E.
Brusnigina, N. F.
Gordinskaya, N. A.
Article History
Received: 7 March 2019
Revised: 25 April 2019
Accepted: 5 June 2019
First Online: 2 April 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.