Kharkov, V. N.
Kotova, S. A.
Kolesnikov, N. A.
Spivak, E. A.
Vagaitseva, K. V.
Zabavskaya, T. V.
Rybakova, V. I.
Parfenova, A. S.
Verchuk, A. N.
Yankovsky, N. K.
Stepanov, V. A.
Article History
Received: 7 June 2021
Revised: 15 June 2021
Accepted: 17 June 2021
First Online: 26 December 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.