Martynov, V. V.
Chizhik, V. K.
Article History
Received: 18 May 2020
Revised: 1 July 2020
Accepted: 8 July 2020
First Online: 2 May 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.