Antipov, A. N.
Mordkovich, N. N.
Khijniak, T. V.
Okorokova, N. A.
Veiko, V. P.
Article History
Received: 14 June 2019
Revised: 20 August 2019
Accepted: 30 August 2019
First Online: 13 March 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.