Kotlyar, I. P.
Ushakov, V. A.
Pronina, E. P.
Kaygorodova, I. M.
Article History
Received: 20 May 2019
Revised: 10 June 2019
Accepted: 15 July 2019
First Online: 31 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.