Malyavskaya, S. I.
Kostrova, G. N.
Strelkova, A. V.
Lebedev, A. V.
Article History
Received: 8 October 2018
Revised: 23 January 2019
Accepted: 3 April 2019
First Online: 13 January 2020
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 Ethics Committee of the Northern State Medical University (Arkhangelsk), Protocol no. 04/01-16 of February 3, 2016, 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.