Lazebny, O. E.
Kulikov, A. M.
Butovskaya, P. R.
Proshakov, P. A.
Fokin, A. V.
Butovskaya, M. L.
Article History
Received: 30 September 2019
Revised: 30 December 2019
Accepted: 29 January 2020
First Online: 23 September 2020
COMPLIANCE WITH ETHICAL STANDARDS
: Conflict of interest. The authors declare that they have no conflict of interest.
: Statement of compliance with standards of research involving humans as subjects. Participation was voluntary and all subjects were guaranteed complete anonymity. The research protocol was approved by the Ethics Commission of Moscow State University (expert opinion of the Moscow State University Bioethics Commission, protocol no. 55 of March 26, 2015). All procedures performed in a study involving people comply with the ethical standards of the institutional and/or national committee for research ethics and the 1964 Helsinki Declaration and its subsequent changes or comparable ethical standards. Informed consent was obtained from each of the participants in the study.