Skriptsova, A. V.
Kalita, T. L.
Article History
Received: 29 November 2018
Revised: 14 January 2019
Accepted: 7 February 2019
First Online: 7 April 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.