Safonova, J. A.
Glazunova, G. M.
Article History
Received: 26 December 2018
Revised: 29 May 2019
Accepted: 4 June 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 standards of research involving humans as subjects.</i> Clinical trial protocol no. 45 of December 22, 2015, was approved by the local ethics committee. All patients provided their informed consent to participate in the study after reviewing the conditions.