Maltsev, Y. I.
Maltseva, I. A.
Kulikovskiy, M. S.
Maltseva, S. Yu.
Sidorov, R. A.
Article History
Received: 3 September 2018
Revised: 31 October 2018
Accepted: 19 November 2018
First Online: 11 July 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.