Averyanova, I. V.
Vdovenko, S. I.
Article History
Received: 24 October 2018
Revised: 4 December 2018
Accepted: 22 March 2019
First Online: 5 February 2020
Compliance with Ethical Standards
: All human subjects gave their written informed consent to be involved in this study. All procedures met ethical standards formulated in the Declaration of Helsinki (1964) and its subsequent variants.