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Article History

Received: 15 May 2019

Revised: 1 August 2019

Accepted: 5 December 2019

First Online: 26 October 2020

COMPLIANCE WITH ETHICAL STANDARDS

: <i>Conflict of interests</i>. The authors declare no apparent 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 1964 Helsinki Declaration and its later amendments and approved by the local Bioethics Committee of the National Research Tomsk Polytechnic University (Tomsk). 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.