Shilova, N. V.
Minzhenkova, M. E.
Antonenko, V. G.
Article History
Received: 1 February 2019
Revised: 11 March 2019
Accepted: 13 March 2019
First Online: 26 September 2019
COMPLIANCE WITH ETHICAL STANDARDS
: <i>Conflicts 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 the study involving human participants are in accordance with the ethical standards of the institutional and/or national research ethics committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from each participant involved in the study.