Moshonkina, T. R.
Shandybina, N. D.
Moiseev, S. A.
Grishin, A. A.
Gerasimenko, Yu. P.
Article History
Received: 27 May 2020
Revised: 7 June 2020
Accepted: 30 September 2020
First Online: 31 May 2021
COMPLIANCE WITH ETHICAL STANDARDS
: All studies were conducted in correspondence with the principles of biomedical ethics stipulated under the 1964 Helsinki Declaration and its subsequent revisions and approved by the Bioethics Committee of VLSAPhC (Velikie Luki, Russia).
: Each participant of the study gave his voluntary informed consent signed by him after informing about potential risks and gains, as well as about the nature of the forthcoming investigations.
: The authors declare the absence of obvious and potential conflicts of interests associated with the publication of this article.