Sambyalova, A. Yu.
Bairova, T. A.
Belyaeva, E. V.
Ershova, O. A.
Sargaeva, D. S.
Kolesnikov, S. I.
Article History
Received: 13 January 2020
Revised: 18 February 2020
Accepted: 5 March 2020
First Online: 2 January 2021
COMPLIANCE WITH ETHICAL STANDARDS
: <i>Conflict of interest</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 a study involving people comply with the ethical standards of the institutional and/or national committee for research ethics and the 1964 Helsinki Declaration and its subsequent changes or comparable ethical standards. Informed voluntary consent was obtained from each of the participants.