Bulakh, M. V.
Galeeva, N. M.
Polyakova, D. A.
Ryzhkova, O. P.
Dadali, E. L.
Polyakov, A. V.
Article History
Received: 15 March 2018
Revised: 6 June 2018
Accepted: 19 June 2018
First Online: 16 April 2019
COMPLIANCE WITH ETHICAL STANDARDS
: <i>Conflict of interests</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 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 for conducting the study was obtained from all patients, and in the case of minor patients, the consent was obtained from their parents or legal representatives.