Matveeva, D. K.
Andreeva, E. R.
Buravkova, L. B.
Article History
Received: 20 June 2019
Revised: 16 September 2019
Accepted: 23 September 2019
First Online: 26 February 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.