Vlasenko, N. Yu.
Article History
Received: 1 November 2019
Revised: 11 February 2020
Accepted: 20 March 2020
First Online: 26 October 2020
COMPLIANCE WITH ETHICAL STANDARDS
: Conflict of interests . The authors declare no apparent and potential conflicts of interest related to the publication of this article.
: Statement of compliance with standards of research involving humans as subjects . All studies were conducted in accordance with the principles of biomedical ethics formulated in the 1964 Helsinki Declaration and its later amendments. Informed written consent was obtained from all individual participants involved in the study and signed by them after being explained the potential risks, advantages, as well as the nature of the forthcoming study.