Ravkin, Yu. S.
Babenko, V. G.
Stishov, M. S.
Pronkevich, V. V.
Lyalina, M. I.
Article History
Received: 1 December 2019
Revised: 20 January 2020
Accepted: 21 January 2020
First Online: 23 December 2020
COMPLIANCE WITH ETHICAL STANDARDS
: <i>Conflict of interests</i>. The authors declare that they have no conflicts of interest.
: <i>Statement on the welfare of humans or animals</i>. This article does not contain any studies involving animals performed by any of the authors.