Kotnova, A. P.
Ilyin, Yu. V.
Article History
Received: 17 December 2019
Revised: 27 January 2020
Accepted: 27 January 2020
First Online: 17 June 2020
COMPLIANCE WITH ETHICAL STANDARDS
: The authors declare no conflict of interest.
: This work does not contain any research involving humans or animals as research objects.