Savchenko, O. N.
Naumov, A. D.
Article History
Received: 25 November 2019
Revised: 10 January 2020
Accepted: 9 March 2020
First Online: 13 January 2021
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.