Soltysova, Andrea
Kuzin, Alexandr http://orcid.org/0000-0002-1262-932X
Samarkina, Elena http://orcid.org/0000-0001-7501-9185
Zatkova, Andrea http://orcid.org/0000-0002-4105-3868
Article History
Received: 26 April 2021
Revised: 28 June 2021
Accepted: 19 August 2021
First Online: 10 September 2021
Ethics approval and consent to participate
: Ethic committee at V.A. Nasonova Research Institute of Rheumatology approved the study (the approval number N18-2019) and all patients provided written informed consent prior to inclusion. All procedures 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.
: The authors declare no competing interest.