Dragovich, A. Yu.
Borinskaya, S. A.
Article History
Received: 8 February 2019
Revised: 26 March 2019
Accepted: 15 April 2019
First Online: 27 January 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.