Pleskova, S. N.
Gorshkova, E. N.
Boryakov, A. V.
Kriukov, R. N.
Article History
Received: 13 May 2019
Revised: 15 June 2019
Accepted: 20 June 2019
First Online: 12 March 2020
COMPLIANCE WITH ETHICAL STANDARDS
: <i>Conflict of interests.</i> The authors declare that they have no conflict of interest.
: <i>Statement of compliance with standards of research involving humans as subjects</i>. All procedures involving human beings met the ethical standards of the Bioethics Commission of Lobachevsky Nizhny Novgorod National Research State University and the Helsinki Declaration of 1964 and its subsequent emendations. Informed voluntary consent was obtained from each of the participants.