Belous, O. S.
Titlyanova, T. V.
Titlyanov, E. A.
Article History
Received: 9 July 2019
Revised: 19 December 2019
Accepted: 19 March 2020
First Online: 15 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.