Reshetnikov, A. N.
Meschersky, I. G.
Article History
Received: 6 April 2018
Revised: 5 September 2018
Accepted: 21 October 2018
First Online: 15 January 2021
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.