Bulanenkova, S. S.
Snezhkov, E. V.
Akopov, S. B.
Article History
Received: 8 November 2018
Revised: 30 January 2019
Accepted: 31 January 2019
First Online: 9 January 2020
COMPLIANCE WITH ETHICAL STANDARDS
: This article does not contain any studies involving animals or human participants performed by any of the authors.
: The authors declare that they have no conflict of interest.