Gorshunova, N. K.
Savich, V. V.
Article History
Received: 22 June 2019
Revised: 22 June 2019
Accepted: 2 July 2019
First Online: 9 September 2020
COMPLIANCE WITH ETHICAL STANDARDS
: <i>Conflict of interest.</i> The authors declare no conflict of interest.
: <i>Statement of compliance with the 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 patients.