Text and Data Mining valid from 2019-11-01
Received: 5 December 2018
Revised: 7 May 2019
Accepted: 25 May 2019
First Online: 13 January 2020
COMPLIANCE WITH ETHICAL STANDARDS
: <i>Conflict of interests</i>. The authors declare that they have no real or potential conflict of interest with respect to publication of this article.
: <i>Statement of compliance with standards of research involving humans as subjects.</i> All studies were in accordance with the biomedical ethical standards of the 1964 Helsinki Declaration and its later amendments and were approved by the Local Ethics Committee at the Anokhin Institute of Normal Physiology (Moscow). All participants voluntarily gave their written informed consent for participation after being informed about potential risks and benefits and the study procedure.