Malygin, Alexander G.
Article History
Received: 30 June 2021
Revised: 2 October 2021
Accepted: 19 October 2021
First Online: 17 December 2021
Ethics declarations
: Author declares no conflicts of interest in financial or any other sphere. All procedures performed in the study with participation of humans comply with the ethical standards of the institutional and/or national committee on research ethics and the 1964 Declaration of Helsinki and its subsequent amendments or comparable standards of ethics.