Orlov, V. A.
Strizhakova, O. V.
Fetisov, O. B.
Article History
Received: 17 October 2019
Revised: 13 February 2020
Accepted: 20 March 2020
First Online: 31 August 2020
COMPLIANCE WITH ETHICAL STANDARDS
: Conflict of interests. The authors declare no apparent or potential conflicts of interest related to the publication of this article.
: Statement of compliance with standards of research involving humans as subjects . All studies are carried out in accordance with the principles of biomedical ethics formulated in the Helsinki Declaration of 1964 and its subsequent updates, and approved approved by the Commission on Biomedical Ethics of the Institute of Biomedical Problems of the Russian Academy of Sciences (Moscow). Each participant of the study submitted voluntary written informed consent, signed by him after explaining to him the potential risks and benefits, as well as the nature of the forthcoming study.