Veselkin, D. V.
Kuyantseva, N. B.
Chashchina, O. E.
Mumber, A. G.
Zamshina, G. A.
Molchanova, D. A.
Article History
Received: 25 May 2019
Revised: 10 June 2019
Accepted: 20 June 2019
First Online: 3 December 2019
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.