Serova, O. V.
Gantsova, E. A.
Deyev, I. E.
Petrenko, A. G.
Article History
Received: 20 December 2019
Revised: 25 December 2019
Accepted: 31 December 2019
First Online: 24 September 2020
COMPLIANCE WITH ETHICAL STANDARDS
: The study contains no research using people or animals as objects of study.
: The authors declare they have no conflict of interests.