A.V. ZAKHAROV, I.E. POVERENNOVA, E.V. KHIVINTSEVA Samara State Medical University, 159 Tashkentskaya Str., Samara, Russian Federation, 443095  Zakharov A.V. ― PhD (medicine), Associate Professor of the Department of Neurology and Neurosurgery, tel. (846) 956-16-84, e-mail: zakharov1977@mail.ru,  ORCID ID: 0000-0003-1709-6195 Poverennova I.E. ― D. Sc. (medicine), Professor of the Department of Neurology and Neurosurgery, tel. (846) […]