Trifonov, S. V.
Velichko, V. V.
Tikhomirova, N. A.
Shikhov, V. N.
Morozov, E. A.
Tikhomirov, A. A.
Article History
Received: 25 December 2019
Revised: 7 February 2020
Accepted: 11 February 2020
First Online: 6 July 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.