Grabovets, A. I.
Fomenko, M. A.
Article History
Received: 14 March 2019
Revised: 28 March 2019
Accepted: 5 April 2019
First Online: 18 November 2019
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.