Maltsev, Y. I.
Maltseva, I. A.
Maltseva, S. Yu.
Kulikovskiy, M. S.
Article History
Received: 5 May 2019
Revised: 22 May 2019
Accepted: 22 May 2019
First Online: 16 March 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.