Gall, L. N.
Lekhtlaan, N. P.
Tsygankov, A. I.
Article History
Received: 12 February 2019
Revised: 17 March 2019
Accepted: 29 August 2019
First Online: 10 March 2020
COMPLIANCE WITH ETHICAL STANDARDS
: <i>Conflict of interests.</i> The authors declare that they have no conflict of interest.
: This article does not contain any studies involving animals or human subjects performed by any of the authors.