Received: 27 October 2020
Accepted: 3 November 2020
First Online: 16 November 2020
Ethics approval and consent to participate
: The subjects provided written informed consent to participate in the present study. The experimental protocol was in accordance with the Declaration of Helsinki. The study was designed and performed according to the guidelines of the Local Research Bioethics Committee of the Institute of Physiology of the Komi Scientific Centre of the Ural Branch of the Russian Academy of Sciences.
: Not applicable.
: The authors declared no conflict of interest regarding the publication of this manuscript.