Meyer, A. V.
Tolochko, T. A.
Minina, V. I.
Timofeeva, A. A.
Larionov, A. V.
Article History
Received: 24 April 2019
Revised: 3 July 2019
Accepted: 23 July 2019
First Online: 30 May 2020
COMPLIANCE WITH ETHICAL STANDARDS
: <i>Conflict of interest</i>. The authors declare that they have no conflicts of interest.
: <i>Statement of compliance with standards of research involving humans as subjects.</i> All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants involved in the study.