Ekaterina Vorotelyak,
Vasiliev, Andrey
Terskikh, Vasiliy
Article History
Received: 16 November 2019
Revised: 25 November 2019
Accepted: 25 November 2019
First Online: 3 June 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.