Author contribution: Poydasheva AG, Bakulin IS, Mosolov SN — study planning and design; Poydasheva AG, Zabirova AH — literature review; Poydasheva AG, Sinitsyn DO, Maslenikov NV, Tsukarzi EE — data acquisition and analysis; all authors — data interpretation; Poydasheva AG, Sinitsyn DO — manuscript writing; all authors — manuscript editing.

Compliance with ethical standards: the research protocol was approved by the Ethics Committee at the Research Center of Neurology (protocol № 11-1/21 of 22 December 2021); the study was conducted in accordance with the principles of the Declaration of Helsinki; the informed consent was submitted by all study participants.