Nizovtseva, E. V.
Polikanov, Y. S.
Kulaeva, O. I.
Clauvelin, N.
Postnikov, Y. V.
Olson, W. K.
Studitsky, V. M.
Article History
Received: 10 May 2019
Revised: 14 June 2019
Accepted: 14 June 2019
First Online: 16 December 2019
COMPLIANCE WITH ETHICAL STANDARDS
: <i>Conflict of interests.</i> The authors declare that they have no conflict of interest.<i>Statement of compliance with standards of research involving humans as subjects.</i> All procedures performed in this work comply with the ethical standards of the institutional committee on research ethics and the 1964 Helsinki Declaration and its subsequent changes or comparable standards of ethics. Informed consent was obtained from all individual participants involved in the study.
: Authors E.V. Nizovtseva and Y.S. Polikanov contributed equally.