Vasileva, A. A. http://orcid.org/0000-0002-8025-8444
Vasilyev, V. A. http://orcid.org/0000-0003-2786-3327
Okushko, R. V. http://orcid.org/0000-0002-4190-778X
Negasheva, M. A. http://orcid.org/0000-0002-7572-4316
Article History
Received: 4 December 2019
Revised: 27 April 2020
Accepted: 20 August 2020
First Online: 3 June 2021
COMPLIANCE WITH ETHICAL STANDARDS
: <i>Conflict of interest.</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 performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. Informed consent was obtained from all individual participants involved in the study.