Zinchuk, V. V.
Poluyan, I. A.
Hlutkin, S. V.
Article History
Received: 7 May 2019
Revised: 21 May 2019
Accepted: 3 June 2019
First Online: 13 January 2020
COMPLIANCE WITH ETHICAL STANDARDS
: <i>Conflict of interests.</i> The authors declare no obvious and potential conflicts of interest related to the publication of this article.
: <i>Statement of compliance with standards of research involving humans as subjects</i>. All studies were conducted in accordance with the principles of biomedical ethics, formulated in the Helsinki Declaration of 1964 and its subsequent updates, and approved by the local bioethical committee of the Grodno State Medical University (Grodno, Belarus). Each research participant presented a voluntary written informed consent, signed by him after explaining to him the potential risks and benefits, as well as the nature of the upcoming research.